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Biology

Within Science

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,

Still image from: The Brain Scoop: Rat Dissection--The Cutest Parts Are on the Outside

Still image from: The Brain Scoop: Rose Pest Solutions Tour

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."

Still image from: The Hunt: Hide and Seek

Still image from: The Hunt: In the Grip of the Seasons

Still image from: The Hunt: Nowhere to Hide

Still image from: The Hunt: Race Against Time

Still image from: The Hunt: The Hardest Challenge

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."

A meerkat sitting in the sand. Caption: As part of the attempt to understand our world,

Example of two kinds of Protista, euglena and protozoa. Caption: Nearly all the organisms placed in the Protista kingdom

Painting of a squid. Caption: What's happening--the whale's trying to eat the squid.

Artwork of a seed planted in the ground. Caption: The tiny seed hasn't begun to grow yet.

Color illustration of a green caterpillar standing on a rock and glancing upwards at an angle. Tall blades of grass in the background.

Color illustration of a green caterpillar standing on a rock and glancing upwards at an angle. Tall blades of grass in the background.

A horse jumps out from the open door in a trailer. Another horse is seen inside the trailer. Caption: and now is undergoing this large scale restoration effort.

An outline map depicts Guinea, Sierra Leone, and Liberia. Caption: it moved over into neighboring Liberia

Two lions laying in the grass. Caption: Once we find a group of lions,

Brightly colored fish swimming around coral. Spanish captions.

Tree growing in the middle of a field. Spanish captions.

A sunflower is labeled, Dormancy, to sleep, and, Tropism, to turn.

Illustration of a woman riding the bow of a ship and holding tulips while a throng of people stand beneath her. Caption: Some call this the first bubble economy.

Several large fish swimming in the water, as seen from the deck of a ship. Caption: Three thousand bluefins are farmed here.

Person about to look into the eye pieces of a microscope. Caption: how hormones control the genome,

Closeup of a young woman's face. Caption: It's about who you are on the inside.

Hands involved in a surgical procedure holding a syringe while other instruments work in an open body. Caption: it could become a first line of treatment

A golden black spider crawls on a wooden log. Caption: In true comic book fashion, the spiders absorbed the graphene.

Trace wears safety goggles and has a hammer in his hand. Caption: Ow.

Trace is standing in front of a book shelf. Caption: Genetic engineering is complex, and it's wide reaching.

Animation of red blood cells in a blood vessel. Caption: Red blood cells are eight picometers,

Trace is standing in front of a book shelf. Caption: Also, how does it adjust that temperature once it knows it.

A specimen of a wild cat. Caption: It's a sculpted animal that the skin is then glued to.

A mouse nibbles the food particle holding it in its claws. Caption: The nanoparticles gave the mouse the ability to see infrared.

Digital art. Against a black background, a green wavy line depicting a sound wave moves towards two red lines.

Closeup of a woman with brown hair in a low braid wearing a black shirt standing on a sandy beach with a wooden ramp and ocean waves crashing behind her.

Blue sea anemones with a small orange fish inside it. Caption: Other animals use anemone venom for defense in less subtle ways.

Magnified view of small, tube-like structures. Caption: Bacteria are often classified based on their shape.

A photo of a Cheetah.

A Satellite image of the Earth.

A photo of a glacier.

Microscopic view of small, tube-like structures. Caption: Two kinds of cells make up the living world:

Still image from: Vitamins and Minerals for Kids

Person doing sign language. Hands are closed with thumbs out. Thumbs are pointing downwards, one arm at about chest height and the other about shoulder height. Caption: science

A boy blows a balloon. Caption: All gases will completely fill any closed container.

A group of people inspecting a waterbody.

Illustration of a whale swimming underwater. Music note.

Moss hanging from tree branches. Spanish captions.

Cartoon image of an open book. Caption: Let's look inside this book and see.

Closeup of pink flowers with water dripping from them. Caption: Plants also need water to survive.

Pelican floating in the water. Spanish captions.

Small fish swimming in the water. Spanish captions.

Cow grazing in the snow. Spanish captions.

Gecko crawling in the desert. Spanish captions.

Still image from: What Is a Vertebrate?

Brightly colored frog on a limb. Spanish captions.

Still image from: What Is an Arthropod?

Bee gathering nectar from a flower. Spanish captions.

Woman with brown hair wearing a red plaid shirt is in front of a computer and a bookshelf. She claps her hands together in front of her while talking.

Chunk of rock sitting partially submerged in water. Caption: Matter is anything that takes up space.

A snake on a rock. Caption: All reptiles are cold-blooded,

A bee gathering nectar from a flower. Caption: A honeybee is an insect.

Still image from: What's Wild: Ants

Still image from: What's Wild: Uncovering the Hidden Work of Mushrooms in SC

Two glasses with colored liquid in them. One glass has a person holding a cylindrical electronic device in the liquid. Caption: and check the parts per million of solutes.

White foaming waves crash on a rocky shore. Caption: Their activity ebbs and flows with the tides.

Person walking through stacked rows of chickens in cages. Caption: This is the age of the designer egg.

Magnified view of cells. Caption: to allow liver cells to grow into functional livers.

Illustration of a net-like structure. Protein. Mucus is a meshwork of proteins

Still image from: Why Should I Care? Invasive Species--Plants

Still image from: Wild About Animals: Giraffes, Monkeys, and Penguins

Still image from: Wild About Animals: Pelicans, Sea Stars, and Snakes

Black and white bird with a red spot on its head holds a seed while standing on a branch. Caption: The trees are used as a storehouse for a quick meal.

Pile of dark substance with eyes on the ground next to a bus stop. Caption: what's left of you, you're about 2/3 carbon.

A black and yellow butterfly with orange spots feeding from a light orange flower. Caption: a caterpillar turning into a butterfly --

A tadpole swimming in murky water. Caption: Their lifelong competitors take weeks to transform into frogs.

Two people in white protective suits with goggles and gloves carrying a stretcher with a body wrapped in a white sheet. Caption: Up to 90% of people infected with the virus … die.

Closeup of the partially decayed carcass of a bat on the ground. Caption: In caves, everything is food for something else.

Closeup of ants swarming over a beetle. Caption: And they also kill each other in battles over turf.

Closeup of head and chest of a falcon. Caption: But only now does he have the bird

Green plant growing underwater. Caption: Hydrilla is an invasive species on a path of destruction.

Person in scuba gear swimming in a cave. Caption: Little by little, they are mapping this labyrinth

Many iguanas sunning themselves on rock outcroppings next to the ocean. Caption: Some of the hatchlings stay together

Microscopic view of an oval-shaped organism. Caption: But for the microbes that live here,

A white bird flying in the sky. Caption: Food is so scarce, this own can go 40 days between meals.

Closeup of a spider's web. Caption: Spider silk is the strongest fiber in nature…

Several adult and baby pigs drink from a small waterhole. Caption: a javelina already has her piglets,

Pink and yellow plant with branching limbs. Caption: We're discovering that life is much more creative

Multiple species of fish swimming in water as seen from below. Caption: Here are creatures rare and fantastic.

Still image from: Wolves for Kids

Illustration of the islands of the Caribbean. Haiti and the Dominican Republic highlighted. Caption: Cortés lived on the island for six years.

Still image from: Xploration Awesome Planet: Ecosystems

Still image from: Xploration Awesome Planet: Plants

Still image from: Xploration Awesome Planet: Sites and Sights

Still image from: Xploration Awesome Planet: Taking Flight

We see a screen displaying rows of DNA sequencing, represented in patterns of waves, numbers, and letters.

Still image from: Xploration Earth 2050: Nature Inspires

We see a close-up rendering of a colorful twisting strand of DNA against a dark background.

Against a backdrop of twinkling stars in a black night sky reads the text, “Life 2.0, ‘The Body Shop.’”

Twisting strand of blue and gold DNA lit up against a dark background.

Against a backdrop of twinkling stars in a black night sky, we see text that reads, “Life 2.0, ‘Life Eternal.’”

Close-up shot of a quartz clock featuring roman numerals, showing a time of 7:15.

Against a backdrop of twinkling stars in a black night sky, we see text that reads, “Life 2.0, ‘Mastering Memory.’”

In a lab, a scientist with gloved hands injects liquid drops into testing equipment.

Against a backdrop of twinkling stars in a black night sky, we see text that reads, “Life 2.0, ‘Surviving the End.’”

Diagram of human upper body with heart, lungs, and circulatory system visible. Caption: such as the respiratory system

A shark jumps out of the water surface with prey in its mouth.