Topic: evolution

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How Do Pelicans Survive Their Death-Defying Dives?

Unlike American White Pelicans, who scoop up fish at the water's surface, California’s brown pelicans rocket down from the sky, plunging toward the ocean from as high as 65 feet. This episode of Deep Look explains how...

Troglobites: Strange Cave Specialists – Planet Earth

Troglobites are rare and specialized animals that only live in dark caves. In this clip from the BBC's Planet Earth: Caves, episode 4, we observe Thailand's cave angel fish, the Texas Blind Salamander, and the Belizea...

A Real-Life Bone Collector: Recovering an Extinct Human Ancestor

Follow biological anthropologist and 'bone collector' Dr. Marina Elliott deep into the ancient underground crevasses that would reveal around 1,500 bone fragments belonging to Homo naledi, a new species in human linea...

Roly Polies Came From the Sea to Conquer the Earth

Woodlouse, pill bug, roly poly, sow bug, armadillo bug, cheeselog, wood shrimp... what do you call this bug where you live? Whatever you do, don't call it an insect! Roly polies are crustaceans, more like a shrimp...

What to Expect From an Expecting Seahorse

Although it's well known that seahorses and their cousins the pipefish are the only vertebrates where males become pregnant, researchers have only begun to understand how this unique adaptation works. By studying the ...

Dinosaur’s Feathered Tail Found Remarkably Preserved in Amber

This incredibly well-preserved, feather-covered dinosaur tail was found by Beijing-based paleontologist Lida Xing in a northern Myanmar (Burma) amber market. The find is a first: Skeletal material from a dinosaur has ...

The Amazing Shapes of Ammonites

Now extinct, ammonites are abundant, prehistoric sea molluscs that first appeared in the fossil record around 240 million years ago. The images of ammonites that we often see in museums and books are planispiral-shape...

Evolutionary branching in action: Bacteria adapt to antibiotics

Watch E. coli bacteria encounter increasing strengths of antibiotics, the medicine that we use to fight infections or infectious diseases. A team led by Harvard Medical School's Michael Baym set up the video demonstra...

The Guillemot egg, an egg that saves its own life

Guillemots are sea birds that reside in crowded colonies on rocky cliff sides. When they breed, they produce one conical egg which incubates for around 30 days on the precarious cliffside... but guillemots don't make ...

Explaining The Tree of Life

Travel millions of years through time with Sir David Attenborough as he explains The Tree of Life. Some background on the metaphor from The New York Times: In his 1859 book “On the Origin of Species,” Charles Darw...

Rock-Paper-Scissors Lizards

Biologists from UC Santa Cruz are studying the three distinct mating strategies of what's being referred to as "rock-paper-scissors lizards," the blue, orange, and yellow variations of the Western side-blotched lizard...

Dinosaur fossils uncovered on an Antarctic expedition

A team of 12 scientists recently completed an audacious fossil hunting expedition to James Ross Island in Antarctica, and returned with over one ton of marine, avian, and dinosaur fossils that are between 71 million a...

Scorpion evolution, scorpion moms, & glowing scorpions

Scorpion facts: Scorpions have been on Earth for 400 million years, scorpions give birth to live young and then catch them in their arms, and under ultraviolet light, scorpions fluoresce. Scientist and Cal Academy Cur...

Dinosaurs Among Us – AMNH

Dinosaur nests, eggs, and babies, dinosaur feathers, dinosaur brains and lungs, and dinosaur bones, beaks, and claws all provide evidence that birds are living dinosaurs. In this video from the American Museum of Natu...

Illustrating the Cornell Lab of Ornithology’s Wall of Birds

In 2014, artist Jane Kim was commissioned to paint a mural of 270 representative bird species -- including some extinct species, a few dinosaurs, and a black caiman -- on 3,000 square feet (280 square meters) of wall ...

The Science of Skin Color – TED Ed

When ultraviolet sunlight hits our skin, it affects each of us differently. Depending on skin color, it’ll take only minutes of exposure to turn one person beetroot-pink, while another requires hours to experience the...

Evidence of evolution that you can find on your body

Signs of our evolutionary history can be found in the form of vestigial structures on the human body. Watch this Vox video to help identify the evidence of evolution in yours. Some background via Wikipedia: Vestig...

Why Do Deep Sea Creatures Look So Scary?

Why Do Deep Sea Creatures Look So Scary? Anna Rothschild of Gross Science explains how different it is at the bottom of the sea: Food can be scarce, there's tremendous ocean pressure, and it's dark. These environmenta...

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