Topic: biology

Sort: Date | Title | Sort Ascending
View:

Subvisual Subway – The Art of New York City’s Bacterial World

Why do we wash our hands after we've been riding on public transportation? Is it true that "using the handrails on the subway is like shaking hands with 100 people"? New York City-based typographer and designer Craig ...

Jump In Jerboas – Science Friday

"A furry little rodent version of a Tyrannosaurus Rex," the jerboa has tiny forelimbs, a "noodle" tail that helps with them with balance, long legs and really long feet, with toes that support their speedy hops. W...

How do we know what color dinosaurs were?

The meat-eating microraptor was a black-feathered, four-winged dinosaur. How do we know its feathers were black? The evidence is in the microraptors' fossils. This TED Ed explains. Plus, more from Wikipedia: In Mar...

Bats flip like Tony Hawk to land upside down

Like pirouetting figure skaters, twisting high divers, or a skateboarder trying to land a 900, bats use inertia to flip upside down before they land. Brown University evolutionary biologists Sharon Swartz and Kenneth ...

X-ray video of how hamsters fit food in their cheek pouches

Golden hamsters, also known as Syrian hamsters, are flexible little creatures that can crawl through plastic and underground tunnel systems alike. In this video from Nature on PBS, we get to watch one navigate sharp t...

How do your eyes perceive color? – Physics Girl

When we talk about mixing colors, it's often because we're mixing paint, but what about light? The retinas in our eyes respond to light differently because of two types of photoreceptors: rods and cones. Rod cells hel...

How do plants grow in space? – Science Friday

Microgravity, different kinds of light, extreme conditions... Growing while in orbit or on Mars are two experiences that earthbound organisms have never needed to adapt to in our evolutionary history. How do our bodie...

How Do Sharks and Rays Use Electricity to Find Hidden Prey?

Imagine if you had six traditional senses instead of five: Sound, sight, touch, smell, taste and... What might you pick? Echolocation? Magnetoreception? How about electroreception? Sharks, rays, skates and sawfish...

How smart are dolphins?

Dolphins are well-known for being intelligent creatures... In fact, they're one of the smartest species on the planet. These cetaceans can communicate, cooperate, empathize, understand language, pass along their knowl...

Why Warm Blood is Better Than Cold – Rise of the Mammals

What does a tiny Hadrocodium wui fossil tell us about the evolutionary advantages that mammals were developing before the Cretaceous–Paleogene mass extinction event that finished off the dinosaurs 65 million years ago...

Chameleons are Amazing – National Geographic

We've enjoyed quite a few chameleon videos, but this National Geographic video is not only full of fascinating information, it's visually stunning. From how they shoot their tongues like arrows to catch bugs, to how t...

How the Octopus Moves – ScienceTake

How do you move from here to there when you have eight long, flexible legs that radiate out from your head? After analyzing recordings of how an octopus moves, three Israeli researchers have determined something prett...

How do you find water bears (tardigrades) in the wild?

Tardigrades (also called water bears or moss piglets) refer to over 1,150 species of microscopic aquatic animals that can be found in moss, ferns, lichens, soil, beaches, dunes, and other damp habitats all over the pl...

What Happens When You Put a Hummingbird in a Wind Tunnel?

Most hummingbirds weight less than a nickel. Hummingbirds have the highest metabolism of any warm-blooded animal. They are the only birds that can fly sideways and backwards. They hover expertly, too. These are just s...

The One Year Mission in Space – Kelly & Kornienko arrive on ISS

On March 27, 2015, American astronaut Scott Kelly and Russian cosmonaut Mikhail Kornienko took off for the International Space Station in the Soyuz spacecraft for a historic One Year Mission, twice the length of an av...

Veritasium: How (and Why) Do Chameleons Change Color?

There is a misconception about chameleons... that they change their color in order to blend in with their environment. That is actually not the case... So why do chameleons change color and how are they doing it? ...

Deep Look: Banana Slugs and Secret of the Slime

Slime can trigger an immediate ewwwww! reaction, but ooey gooey slime is actually a rather brilliant, problem solving substance. One of the animals that depends on its slime can be found among the gigantic redwood for...

AMNH: Shelf Life – Skull of the Olinguito

How was a ninety year old specimen "hiding in plain sight" before it was rescued from storage at The Field Museum and celebrated in 2013 as a newly-identified species? This episode of The American Museum of Natural Hi...

« Prev