Topic: biology

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The Anomalies: The Acorn Woodpecker

As their name implies, acorn woodpeckers rely heavily on acorns for sustenance. To make sure this seasonal resource remains available throughout the year, the birds build enormous “granaries” by drilling thousands of ...

Invisible Nature: Return of the Wood Frog

The common wood frog (Rana sylvatica) has an unusual strategy for coping with the cold. While most terrestrial frogs and toads burrow deep underground to escape freezing temperatures when they hibernate, the wood frog...

A tiny newborn kangaroo climbs into its mother’s pouch

As marsupials, kangaroos have pouches called marsupiums that provide nourishment and protection for their undeveloped young. When a kangaroo mother gives birth, her blind, jellybean-sized newborn must climb up into th...

Do jellyfish sleep?

At first glance, humans seem to have very little in common with Cassiopea, a primitive jellyfish. Cassiopea is brainless, spineless, and spends essentially its entire life sitting upside down on the ocean floor, pulsa...

How to harvest honey

How is honey harvested from a bee hive? British tv presenter and science 'edutuber' Maddie Moate spends the day with her mother, a beekeeper, to collect a few honey-filled frames from their two hives. This How to Harv...

Why are museum collections so important? Sir David Attenborough explains

Museums like the American Museum of Natural History may, at first, seem to be sharing their entire scientific collections in the public displays of their grand halls, but when scientists need specimens for research, t...

Three quarters of deep-sea animals are bioluminescent

Thanks to advancing camera technology and diligent scientific research, scientists have learned that bioluminescence is not the unusual attribute that we thought it was. Researchers Séverine Martini and Steven H. D. H...

Why Is The Very Hungry Caterpillar So Dang Hungry?

Monarchs are ravenous for milkweed. California pipevine swallowtail caterpillars want lots of pipevine. Why are these very hungry caterpillars so hungry? “Caterpillars have to store up incredible reserves of prote...

The elusive Bipes biporus, Baja’s ‘worm lizard’

Long like a small snake, bright pink like an earthworm, and usually burrowing underground with the help of two tiny front legs, the Bipes biporus is an elusive lizard endemic to the Mexican peninsula of Baja Californi...

Hummingbirds fly, shake, and drink in slow motion

First shared in the National Geographic feature A Mesmerizing Look at Hummingbirds in Flight, this high-speed video footage by Anand Varma captures these "perfect flying machines" as they fly, shake, and drink. The sl...

Witnessing butterflies emerge at the California Academy of Sciences

Within the California Academy of Sciences' rainforest exhibit, butterflies and moths emerge from their chrysalis and cocoons in a specially designed emergence display. Biologist Tim Wong shows how they set up the clim...

How do baby flamingos become pink?

Watch as downy gray flamingo chicks are fed bright red milk, a sort of crop milk made from either parents' upper digestive tracts. As the chicks grow, they develop their signature pink feathers, as well as adult bills...

The world’s largest collection of whale bones

The world's largest collection of whale bones—sperm whale, gray whale, massive blue whales—and a bunch of ancient whale fossils from extinct species are stored in this warehouse in Maryland. It's a whale bone warehous...

Chaser, the Border Collie that can understand 1022 words (or more)

Border Collies are known to be super smart and disciplined dogs that can take detailed verbal commands while herding sheep and performing other helpful tasks. How many verbal commands can they understand? This demonst...

Colorscope, an exploration of color across cultures

How do different cultures perceive and use color? Colorscope touches upon those perceptions and uses throughout history in this series of videos from CNN Creative, written and narrated by British art historian and bro...

A window into ladybug wing origami

Beneath a ladybug's red shell, the spotted elytra that it's known for, the beetle's hind wings are efficiently folded until it wants to take off and fly. When it lands, the wings simply fold back up into a protected p...

How to change anxiety into excitement

Starting at a new school, performing in a recital, riding a rollercoaster, playing against a tough team, taking a test... there can be so many times when we might feel worry, anxiety, and stress about a task or experi...

A blue whale lunges for krill

How can the largest creatures on the planet survive by almost exclusively eating some of the smallest creatures in the sea? In this video from Oregon State University, we get a very rare look at how blue whales eat ti...

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