Evolution

Tagging and Tracking Sharks | EARTH A New Wild

Icon: 
Streaming icon

Shark researcher Richard Fitzpatrick works with his team off the coast of Australia to capture, tag, and release sharks. In this video, watch as his team catches a tiger shark and places a tracking tag into its dorsal fin. Use this video to introduce students to marine biology and field research, and to explain certain concepts of ocean management and the conservation of large marine predators.

Why can we regrow a liver, but not a limb? | MIT's Science Out Loud

Icon: 
Streaming icon

Unlike lizards, humans can’t regrow limbs. But we can kinda-sorta regenerate our livers. Ceri, an undergrad in Biology and Comparative Media Studies at MIT, explains how and why.

Teaching Evolution Case Studies: Marilyn Havlik

Icon: 
Streaming icon

In a Chicago high school, Marilyn Havlik helps her students bridge what they already know about genetics with an introduction to evolution, using the Hardy-Weinberg Equilibrium principle as a way to explore changes in gene frequency.

Your Salad Is Trying to Kill You | It's Okay to Be Smart

Icon: 
Streaming icon

Plants are the most important source of nutrients for pretty much all of Earth's animals, and many of the planet's bacteria and fungi too. Humans like them so much that we line them up in salad bars so we can feast upon their crunchy cronch by the plate full.

Do the Lizard Walk

Icon: 
Streaming icon

Join Chris and Martin and learn about an amazing creature that can walk on water — the Basilisk lizard! The Kratt brothers explain that because of the large surface area of the Basilisk's feet, they are able to run on water. They can also hold their breath for up to 30 minutes under water!

Dinosaur Train | Footprints

Icon: 
Streaming icon

In this Dinosaur Train clip, Dr. Scott the Paleontologist discusses fossilized dinosaur footprints. These fossils have been found on every continent and show that dinosaurs stood upright with their feet close together and held their tails up as they walked.

Between the Lions - If You Were: Cat

Icon: 
Streaming icon

Learn vocabulary by imagining yourself as a cat, in this video from the Between the Lions episode "Not Norman." Whether a wild cat or a house cat, all cats use their tails for balance, and their ears to hear very quiet sounds. All cats also have soft paws that they use to sneak quietly around and claws they can use to climb trees. Featured vocabulary words include: cat, house cat, wild cat, eyes, ears, feet, paws, claws, tail, and cat nap.

The Mysterious Super Digger - Wild Kratts | PBS KIDS Lab

Icon: 
Streaming icon

Use this video to teach children how aardvarks dig holes called burrows, which is where they live. Chris and Martin meet a mother aardvark and her baby.

Utiliza este vídeo par enseñar a niños cómo los cerdos hormigueros cavan agujeros, llamados madrigueras, en donde viven. Chris y Martin conocen a un cerdo hormiguero y su bebé. 

The Adaptations that Helped a Giant Dinosaur Eat

Icon: 
Streaming icon

Learn about the adaptations that allowed giant titanosaur dinosaurs to live in the this video from NATURE: Raising the Dinosaur Giant.

Famous Aardvark Breakfast Sludge - Wild Kratts | PBS KIDS Lab

Icon: 
Streaming icon

Use this video to teach children the aardvark's diet, its digging habits, and what the word "insectivore" means. Chris and Martin get a closer look at an aardvark's diet.

Utiliza este vídeo par enseñar a niños la dieta del cerdo hormiguero, sus hábitos de excavación, y lo que la palabra "insectívoro " significa. Chris y Martin investigan la dieta de un cerdo hormiguero.

Pages