Browse Media Learn More

Free Membership - Access to more than just media

Families and school personnel (including those in training) who have at least one student with a disability can sign up for free membership.

Accessible Media

Standards-aligned videos with high-quality captions and audio description.

Teaching Tools

Create lessons and assign videos to managed Student Accounts.

Training Videos

Educator and sign language training videos for school personnel and families.
Learning Center

Find resources for providing equal access in the classroom, making media accessible, and maximizing your use of DCMP's free services.
Visit Learning Center

Accessibility Information

DCMP's Learning Center provides hundreds of articles on topics such as remote learning, transition, blindness, ASL, topic playlists, and topics for parents.

See All

Accessibility Guidelines

DCMP offers the only guidelines developed for captioning and describing educational media, used worldwide.
Captioning Key
Description Key

Help Center

Learn how to apply for membership, find and view accessible media, and use DCMP’s teaching tools.
Help Center
Continuing Education and Professional Development

DCMP offers several online courses, including many that offer RID and ACVREP credit. Courses for students are also available.
See All eLearning Resources

QuickClasses

Asynchronous, online classes for professionals working with students who are deaf, hard of hearing, blind, low vision, or deaf-blind.

See QuickClasses

Workshops

For interpreters, audio describers, parents, and educators working with students who are hard of hearing, low vision, and deaf-blind.
See Workshops

Modules

Modules are self-paced, online trainings designed for professionals, open to eLearners and full members.
See Modules

Students

These self-paced, online learning modules cover the topics of transition, note-taking, and learning about audio description.

See Student Courses
Make your educational content accessible and broadly available.

DCMP can add captions, audio description, and sign language interpretation to your educational videos and E/I programming.
Learn More

Accessibility

Captions are essential for viewers who are deaf and hard of hearing, and audio description makes visual content accessible for the blind and visually impaired.

Distribution

DCMP can ensure that your content is always accessible and always available to children with disabilities through our secure streaming platforms.

Meet our partners

DCMP partners with top creators and distributors of educational content. Take a look
About the Described and Captioned Media Program

The DCMP provides services designed to support and improve the academic achievement of students with disabilities. We partner with top educational and television content creators and distributors to make media accessible and available to these students.
Contact Us
Services

Captioning, audio description, and ASL services

Professional training for school personnel

Distribution of fully accessible streaming media

Projects

Media Center

Television Access

We Describe the World

YouTube Audio Description

Privacy and TOS

Privacy Statement

Terms of Service

Mission and Funding

Read More

Biology

Within Science

Person holding the fossilized skull of an animal. Caption: but there's still a liveliness and a connection

Fossilized dinosaur skeleton still partially encased in rock displayed next to a model of the same dinosaur. Caption: Out of those, only a few are really prepared well.

Congo expedition of the American Museum of Natural History May 1909 to November 1915. Black and white photos of explorers with crocodile skulls and a map in the background. Caption: Those explorers had collected crocodile specimens

Three turtles, one with a tag around its neck. Caption: The turtles are all here together.

Illustration of a person standing on the shoreline next to a squid with a body larger than the person is tall. Caption: had just found a giant squid, and would I be interested?

Still image from: Short Takes With Naturalist Rudy Mancke: Alligator Skull

Still image from: Short Takes With Naturalist Rudy Mancke: Box Turtle Shell

Still image from: Short Takes With Naturalist Rudy Mancke: Calcite Crystals

Still image from: Short Takes With Naturalist Rudy Mancke: Carpenter Bee

Still image from: Short Takes With Naturalist Rudy Mancke: Cow Skull

Still image from: Short Takes With Naturalist Rudy Mancke: Pine Cones

Still image from: Short Takes With Naturalist Rudy Mancke: Polyphemus Moth Cocoon

Still image from: Short Takes With Naturalist Rudy Mancke: Rattlesnake Rattle

Still image from: Short Takes With Naturalist Rudy Mancke: Snapping Turtle Skull

Person in a white coat working in a science lab. Caption: Researchers are making genetically modified silkworms.

Coral in the water. Spanish captions.

Man with gray hair and a beard writes a math equation with chalk on a blackboard.

Cross section of a cell with various organelle encased in a clear fluid. Cytosol. Caption: a gel-like fluid made up of mostly water, proteins,

Diagram of a cell with spherical objects in the middle. Each object has a clear ring around the exterior. Caption: In eukaryotes, a cell nucleus protects the DNA.

Closeup of a slug with arrows labeling its optical and sensory tentacles at the front, its mantle in the middle, and its keel towards the back.

Long grasses and shrubs. Caption: More than 100,000 natural compounds occur in plants,

Person holding a starfish and pointing to one of the arms. Caption: It was clear something was in the water,

Large fish with a spotted upper body and white underbelly swimming open-mouthed into a school of smaller fish. Caption: Each community is populated by different species.

Two women sit at a table outdoors. One looks down at a tarantula crawling in her hands while the other looks at us.

Black and white image of a woman leaning over and peering into lab equipment. A man stands behind her.

Digital illustration of a colored map of North America. 4 white lines converge to form an arrow pointing a southern Mexico. Title card reads, "Monarch east fall migration."

Closeup of a slice of pumpkin pie with a dollop of whipped cream. A fork rests on the side of the pie plate.

Closeup of a crested gecko resting on a pair of hands. Title bar reads, "Crested geckos are native to the island country of New Caledonia, which is northeast of Australia."

Split screen of a deer standing in a snow flurry on left and a fox sitting in the snow on right. Text at bottom reads, "Winter coats."

Squid with a white body speckled in reddish brown. The color of the head matches the color of the speckles on the body. Caption: His brain has total control over what his skin is doing.

An orange starfish and orange anemone. Caption: the battle and the anemone rises to defend itself.

A hummingbird drinking nectar out of a flower.

Still image from: Super Animals: Super Strength

Close up of a frog's face and eyes. Caption: Now we are at 2,820 species of animals and plants.

A bright yellow fish with white stripes. Caption: to probe for worms, crabs and other hidden prey.

Molting tarantula lies on its back between webs as it sheds its skin.

Translucent white termites in the dirt. Caption: Termites are social insects,

Vials and other containers in a science lab. Caption: We've taken the cells out of the muscle tissue.

We look down at the edge of a tan tent that is secured in the sand.

Woman smiles up at us from beneath a bucket hat as she sits with her legs wrapped together in white fabric.

Cartoon of a purple amoeba looking up at a spiraling double helix while a pink amoeba looks toward the viewer from the opposite side. Title card reads, "Alleles and Genes."

Antivirals. A tablet of medication, an IV bag, and a vial with syringe.

Archaea.

Cartoon of a purple amoeba looking up at a spiraling double helix while a pink amoeba looks toward the viewer from the opposite side. Title card reads, "Asexual and Sexual Reproduction."

Digital illustration of a box with animals poking out. A flower, a leaf and 2 worms float around it. Box reads, "Heterotrophs. Hetero equals 'other.' Troph equals 'nourishment.' "

Split image showing cartoon characters with shields; breaking an object with a hammer; next to an apple core; in a container of yogurt; and fixing nitrogen atoms to the roots of a plant.

Cartoon of pink and purple amoebas smiling and gesturing with their hands. Title card reads, "Biological Levels."

Two cartoon characters. Biomagnification.

Cartoon of pink and purple amoebas smiling and gesturing with their hands. Title card reads, "Biomolecules."

Cartoon of 2 amoebas smiling and leaning in from opposite sides of the screen. Title card at center reads, "Blood Types and Punnett Squares." And in parentheses, "Multiple Alleles."

Two cartoon characters. Carbon and Nitrogen Cycles.

Cartoon of a purple amoeba holding a paintbrush and gesturing toward a chalkboard that reads, "Cell Transport." Pink amoeba smiles and gestures toward the chalkboard from the opposite side.

Cartoon of 2 amoebas smiling and leaning in from opposite sides of the screen. Title card at center reads, "Cellular Respiration."

The Amoeba sisters present the heading, characteristics of life, with a D N A strand extending from left to right, below it.

Cartoon of 2 amoebas smiling and leaning in from opposite sides of the screen. Title card at center reads, "Chromosome Numbers During Cell Division."

Cartoon of a purple amoeba looking up at a spiraling double helix while a pink amoeba looks toward the viewer from the opposite side. Title card reads, "Chromosomes and Karyotypes."

Two cartoon characters. Classification.

Cartoon of a pink amoeba leaning to the side with its mouth open wide. Title card reads, "Codons."

Cartoon of a pink amoeba smiling and gesturing toward a title card that reads, "Dichotomous Keys with Scientific Names." Purple amoeba with surprised expression glances toward the title card from the opposite side.

Cartoon of 2 amoebas smiling and leaning in from opposite sides of the screen. Title card at center reads, "Dihybrid Crosses."

Digital illustration of a double helix runs across the top and the bottom of the screen. Title card reads, "D, N, A Replication."

The molecular structure of D N A and R N A are depicted. Or The D N A double helix structure has two phosphate deoxyribose chains with the nucleotide bases are single bonded to it. The R N A single helix structure has a single phosphate deoxyribose chain with nucleotide bases attached to it.

Cartoon of a purple amoeba looking up at a spiraling double helix while a pink amoeba looks toward the viewer from the opposite side. Title card reads, "D, N, A, Chromosomes, Genes and Traits."

Two cartoon characters with a DNA strand. Ecological Relationships.

Two cartoon characters. Ecological succession.

Purple cartoon amoeba looks up at a spiraling double helix while a pink cartoon amoeba looks toward the viewer on opposite side. Title card reads, "Endosymbiotic theory."

Purple cartoon amoeba holds a paintbrush and gestures toward a cartoon chalkboard that reads, "Enzymes." Pink cartoon amoeba smiles and gestures toward chalkboard on opposite side.

The Amoeba sisters present the heading, fermentation, with a D N A strand extending from left to right, below it.

Cartoon of 2 amoebas smiling and leaning in from opposite sides of the screen. Title card at center reads, "Flower Reproduction in Angiosperms."

Food Webs, Energy Pyramids, and Intro to Biodiversity.

Cartoon of a purple amoeba looking up at a spiraling double helix while a pink amoeba looks toward the viewer from the opposite side. Title card reads, "Gel Electrophoreses."

Cartoon of 2 amoebas smiling and leaning in from opposite sides of the screen. Title card at center reads, "Gene Regulation."

Cartoon of a purple amoeba looking up at a spiraling double helix while a pink amoeba looks toward the viewer from the opposite side. Title card reads, "Genetic Drift."

Digital illustration of the heads of 2 men labeled, "Godfrey Hardy" and "Wilhelm Weinberg." Title card at center reads, "Hardy-Weinberg Equilibrium. A population's allele and genotype frequencies are constant, unless there is some type of evolutionary force acting upon them."

Two cartoon characters with a DNA strand. Homeostasis & Feedback.

Cartoon of a purple amoeba holding a paintbrush and gesturing toward a chalkboard that reads, "How Cells Specialize." And in parentheses below, "Featuring Stem Cells." Pink amoeba smiles and gestures toward chalkboard on opposite side.

Two cartoon characters. Human Body Systems.

Cartoon of a group of amoebas. 2 hold shields and point spears. 1 shouts toward another. A green amoeba aims a bow and arrow. Another holds a bottle opposite a shouting amoeba wearing goggles. Title card reads, "Immune System."

Cartoon of 2 amoebas smiling and leaning in from opposite sides of the screen. Title card at center reads, "Incomplete Dominance, Codominance, Polygenic Traits, and Epistasis."

Cartoon of a purple amoeba looking up at a spiraling double helix while a pink amoeba looks upwards at helix from the opposite side. Title card reads, "Inside the Cell Membrane."

Cartoon of a blue amoeba poking an irritated orange amoeba with an arrow that reads, "Intercellular to intracellular" that points to a frowning orange amoeba. Another blue amoeba stands next to an arrow that reads, "Intracellular to intercellular" and points to a blue amoeba poking an orange amoeba. Title card reads, "Signaling."

The Amoeba sisters present the heading, introduction to cells.

Cartoon of a purple amoeba looking up at a spiraling double helix while a pink amoeba looks toward the viewer from the opposite side. Title card reads, "Meiosis."

Cartoon of a purple amoeba looking up at a spiraling double helix while a pink amoeba looks toward the viewer from the opposite side. Title card reads, "Mitosis Versus Meiosis."

Cartoon of 2 amoebas smiling and gesturing opposite one another. Title card at center reads, "Mitosis."

Cartoon of 2 amoebas smiling and leaning in from opposite sides of the screen. Title card at center reads, "Monohybrid Crosses or, in parentheses, Mendelian Inheritance from Genetic Series, Video 1."

A thought bubble for an amoeba sister reads, superpowers. Caption: Mutation.

The Amoeba sisters present the heading, natural selection.

The Amoeba sisters present the heading, osmosis and water potential, with a D N A strand extending from left to right, below it.

Cartoon of a purple amoeba holding a paintbrush and gesturing toward a chalkboard that reads, "Pedigrees." Pink amoeba smiles and gestures toward the chalkboard from the opposite side.

Cartoon of 2 amoebas smiling and leaning in from opposite sides of the screen. Title card at center reads, "Photosynthesis."

Cartoon of 2 amoebas smiling and leaning in from opposite sides of the screen. Title card at center reads, "Plant Structure and Adaptation."

The Amoeba sisters present the heading, specialized cells.

Cartoon of a frowning pink amoeba holding a folded piece of torn green paper. Large piece of folded green paper hovers to the side.

Cartoon of a purple amoeba looking up at a spiraling double helix while a pink amoeba looks toward the viewer from the opposite side. Title card reads, "Protein Synthesis."

Protists. Prokaryotes has an empty box. Eukaryotes has a box with an ovoid character containing a nucleus and with a tail.

Cartoon of 2 amoebas smiling and leaning in from opposite sides of the screen. Title card at center reads, "Sex-linked Traits."

Digital illustration of a sodium potassium pump with a brown cell wall and purple pump at the center. Title card reads, "Sodium Potassium Pump."

The Amoeba sisters present the heading, specialized cells.

Two cartoon characters with a DNA strand. Speciation.

The Amoeba sisters present the heading, the cell cycle, with a D N A strand extending from left to right, below it.

Two cartoon characters with a DNA strand. Viruses.

The Amoeba sisters present a smiley character with a guitar. Caption: A T P.

Microscopic image of a ciliate, an oval-shaped structure with small eyelashlike filaments along the outside of the cell like fringe.

Microscopic image of a flagellate, a long oval with a long, thin tail extending out and away from one end.

Microscopic image of several worm-like pond creatures in various coiling formations.

Split image of aerial view of city blocks next and a smiling person. Caption: It's the legacy of an evolutionary balancing act

A skeletal bone is being placed on a table.

Green Apples hang from an apple tree. Caption: Pero tan solo observar la diversidad de esas manzanas.

Apples hang from an apple tree. Caption: This, scientists say, is the apple's genetic home.

A poster for Washington state apples displays apples with a caption apple a day. Only the finest. Caption: an apple a day keeps the doctor away.

Red earthworms. Caption: are more likely to develop resistance.

A vast agricultural land with varieties of plants laid in strips. Caption: It's a botanical version of Noah's Ark.

A sketch of a man with a hat holding a plant. Caption: Narrator, John Chapman was born in 1774 in massachusetts.

A hamlet in a Peruvian Valley. Caption: the potato plant around 8,000 years ago.

Illustration of a giant shark dwarfing the whales it swims with and is about to bite into one. Caption: megalodon was maybe 50 feet, or 15 meters, in length.

Owl with a small rodent in its beak. Raptor - A bird of prey such as an eagle, hawk, or owl that kills and eats other animals for food. Caption: Nocturnal raptors like owls eat many rodents

Giant walking stick pinned to a board for display. Caption: This one's from Malaysia.

Closeup of the bottom side of a winged insect's body. Caption: All insects are roughly made up of the same sections --

Litchens are found on a rusty car door. Caption: What caught their attention was the abundance of lichens,

Person holding a grasshopper. Melanoplus Differentialis. Caption: And this is a differential grasshopper,

Closeup of the front half of an ant. Camponotus nigriceps. Caption: They bore through wood, but don't eat it.

Brown fuzzy mammal sitting in a tree. Caption: An olingo is a member of the raccoon family.

Two people standing in front of a mural. One holds a printout of a photograph. Caption: One of Carl Akeley's photos. The beautiful bunch of aloe.

Closeup of an animal with a pointed snout, large claws, and overlapping scales covering its body. Caption: They are covered in keratin scales,

Illustration of a fish with long, pointed fins. Cartilaginous Fish (thresher shark). Caption: those with skeletons of cartilage --

Illustration of a skeleton. Arrows indicate the front right toe and back left heel. Caption: Their elongated heel bone and Achilles tendon.

Person turning the page of a book with detailed illustrations. The turning of the page. Caption: revealing a new page every week,

A photograph of Cetti's Warbler and its egg which measures 1 centimeter. On screen text, Cetti's Warbler, Cettia cetti. Caption: This is a Cetti's warbler from Southern Europe.

Two people looking at a computer screen. Caption: who has researched various aspects of hominid evolution.

A pile of small, furless rodents huddled together in a den lined with grass. Naked mole-rat huddle. Caption: If they're cold, they huddle together,

Dried red-leafed plant with a cluster of long, pointed leaves. Caption: Poinsettias are another delightful botanical accent

Specimens of worms are stacked in bottled jars. On screen text, 427,000 specimens. Caption: Philips, we have at least 427,000 specimens of worms,

A diagram compares the population of the false water cobra and the cane toad. The population of poisonous cane toad is higher than that of the immune false water cobra.

Clustered tubular shapes. Caption: up to one million times their original size.

Microscopic view of brick-like cells with red nuclei. Caption: this is a one-cell-think section of a growing onion root-

Still image from: The Circulatory System for Kids

Bird sitting on a tree branch. Caption: For instance, within the larger group of air dwellers,

Illustration of globular organisms with fine hairs projecting from their body. Caption: When they die, their shells become part of the sediment.

A large orange fish swimming in a reef. Caption: making sure that he is well groomed and ready.

Face painted white with orange and yellow spots peers at us from the edge of the frame with a splotchy gray backdrop. Text reads, "Episode One: The Human Microbiome."

Still image from: The Electric Sheep: Fantastic Zoology and Ecological Balance (Spanish)

$Closeup of the human eye with lines demonstrating how lights is refracted when it hits the lens. Caption: It behaves like a convex lens, bending or refracting light rays$

Slide shows light shining in a square on a black backdrop. Text reads, "The Five Senses."

A focus light is shone on an animal's eye.

Two sea mammals swimming side by side. Caption: Her newborn calf sleeps snugly by her side.

Person pointing to the fingernail on someone's hand. Spanish captions.

Cartoon heart with a worried face floats in front of a blue backdrop. Text reads, "The Human Heart."

Person with their palms scraped and mildly bloody. Caption: The body acts quickly to stop excessive blood loss.

On a green leaf sits an oval-shaped bug with shiny black wings with a thick white stripe in the middle, a golden yellow head with a black circle in the middle, and thick black antennae.

Two women look at us, standing against a forested backdrop surrounded by sunny green plants.

Two women sit across from each other and talk at a picnic table in a forest area with sun-dappled trees and plants.

Two women wearing jeans and black jackets squat down on the ground, searching for something amidst rocks and stones, grasses, and other plants.

Woman looks at us as she speaks, crouched down outside next to a green bucket full of vegetable and other food scraps.

View from the inside of a makeshift white-fabric tent, under which two women are sitting on the ground.

Mayflies at different stages of development cling to a white surface, resembling flecks of soil and other organic matter.

Brown cicada blending into the bark of a thin tree trunk.

Brown leaf-cutter ant crawling up over the top edge of a green leaf.

Two women, one blonde-haired and the other brown-haired, stand in front of a tree in a forest.

Two moths, one gray and the other speckled white-and-black, snack on a plate of cut-up honeydew, starfruit, and melons, which are also covered in small fruit flies.

Close-up of a green praying mantis devouring a cricket from the middle of a yellow flower, whose petals surround them.

Brown-haired woman wearing a black jacket speaks to us while standing in a park near recreational pull-up bars.

Close-up of a brown-and-white segmented insect crawling on human skin. Caption reads: "Lacewing larva biting Kristie's finger."

Close-up of a thick-bodied dragonfly perched on the finger of the show host.

Brown and tan grasshopper with yellow antennae perches on top of a rough red rock.

Two women sit on a park bench in front of a mulched area with trees. The blonde-haired woman speaks to us while the brown-haired one looks at her and listens.

Illustration shows a black-and-white line drawing of a louse, whose hairy body has an elongated abdomen, six legs resembling crab claws emerging from a short thorax, and a pointed head with antennae.

Close-up of a clump of white fur with a black flea right in the middle.

Illustration shows a gray-toned drawing of a silverfish, with a long segmented body, six short legs, two long antennae on its head, and three long bristles forming a tail. A blue star-shaped icon in the corner says, "cellulase."

Illustration shows a black-and-white line drawing of the beginning of a caddisfly's life cycle, with an arrow pointing from a rounded speckled clump to a pupa emerging from a case.

Closeup of the top view of the human brain. Caption: Many of the body's mysteries lie in the brain,

Human body with the liver shown in the right corner of the abdomen. Caption: An organ like the liver is like an industrial plant

An orange tunnel. Caption: leading air down towards an internal harbor,

Person sleeping. Caption: there's a hormone at work to control his metabolic rate,

Cartoon character reaching under a hen nesting on eggs and pulling out an egg. Caption: So all we need is one of these.

Cartoon of a character gesturing to a complex diagram of machinery. Caption: we believe in breaking things down.

People inside the magic school bus with a giant fish opening its mouth to swallow them visible through the window outside. Caption: And what eats little fish, like anchovies?

Cartoon of a plant with a face in a yard. Caption: I am hungry but not for people food.

Magic school bus floating in a cavern lined with red, finger-like structures. Caption: (Wanda) And those things out there are the villi.

Students on the magic school bus. Caption: Two things make me sneeze -- pollen and pepper.

Cartoon of a person's face on a fish body. Caption: Eat and grow. Eat and grow.

Cartoon characters next to a pond with a frog on a lily pad. Caption: And lots of space to hop around in.

Cartoon characters with faces and the bodies of bees. Caption: They thought we were bees from their hive

Cartoon of a person pointing at glass containers with corks. Caption: Cinnamon, mint, skunk--

Cartoon of a person wearing a hard hat, kneeling in the dirt and holding some in their hands. Caption: Look! Beautiful rich soil!

Cartoon of people huddled under a picnic table while a giant praying mantis walks by. Caption: I think what we need is a professional bug trapper.

Two almost identical fish. One is larger and has an extra fin on the bottom of its body. Below each fish is a strand of DNA with the same section highlighted. Caption: changes in form are ultimately due to changes in genes.

People wrapped in cloth holding walking sticks, herding a large herd of bovine. Caption: people started domesticating animals for food,

Graphic of a strand of DNA with the C-G-A-T protein sequences. Caption: A mutation is a change in the chemical letters

A large bird flying through the sky. Spanish captions.

Magnified view of red, spherical objects. Caption: Then he tested for the sickle cell character.

Close up of a small, spiny, translucent fish. Caption: The fish absorb enough oxygen from the sea

Closeup of several bright green leafy plants sprouting in soil.

Illustrated image of a wing. Caption: So a wing would have evolved from a forelimb in stages.

Graphic of four islands close to each other. Each island has lizards on it. Caption: evolved independently on each island.

Graphic of island with birds that are similar except for coloring. Caption: They had become distinct species.

Parallel lines of oval objects form a wall bridged by tendril like structures. Floating on either side of the wall are spherical objects. Caption: for larger molecules to get through.

Still image from: The Respiratory System for Kids

Small brown mouse runs on a bright green wheel against a black background. Text on image reads, "The science of an extreme animal athlete."