Topic: science

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Why (and how) do whales sing?

Whale vocalizations are a bit of a mystery. We know that only the males of some baleen whales sing, but we're not sure what those compositions—specifically structured phrases and melodies that repeat and evolve within...

Transient – Lightning storms captured in 4K at 1,000 fps

Traveling over 20,000 miles around Arizona and the Great Plains in just 30 summer days, filmmaker and photographer Dustin Farrell captured some incredible bolts of lightning with a Phantom Flex4K high-speed camera. Th...

NASA simulates how dust, smoke, and sea salt have traveled the planet

Watch as sea salt, dust, and smoke—aerosol particles traveling on the winds—have moved across our planet in 2017. This animated simulation, "based on both satellite observations and computer models that use physical e...

Sounding Shetland’s recently restored Sumburgh Head Foghorn

See what it takes to sound the foghorn at Sumburgh Lighthouse on Shetland Island in Scotland. In the video above, lighthouse engineer Brian Johnson starts up the three Diesel Kelvin engines, powering the compressors t...

Excavating 101 at the La Brea Tar Pits and Museum

How do paleontologists excavate fossils and what tools do they use? In this video from the La Brea Tar Pits and Museum, Lead Preparator Carrie Howard takes us behind-the-scenes of an excavation where the bones of a sa...

Go inside an ice cave to see nature’s most beautiful blue

Where do glaciers and icebergs get their beautiful blue color? This unique blue might be nature’s most brilliant, and the color arises in a very special way thanks to some surprising interactions between light and wat...

Liquid Sand Hot Tub: Making a giant fluidized bed of sand

When air is pumped through sand in just the right way, the sand begins to behave a lot like a fluid. As air escapes between the sand particles, items placed in the sand will begin to float. Others will sink. And when ...

How to Find a Living Planet

The more we see other planets, the more the question comes into focus: Maybe we're the weird one? Decades of observing Earth from space has informed our search for signs of habitability and life on exoplanets and even...

How the Animal Kingdom Sleeps & How Animals See the World – Animalism

Sleep is universal in the animal kingdom, but each species slumbers in a different — and often mysterious — way. Some animals snooze with half their brain, while others only sleep for two hours a day (without even suf...

Barred Owl Chick Regurgitates Pellets – Incredible Close Up

Barred owls can be found throughout the eastern United States and Canada, and have more recently expanded their habitat into Alberta, British Columbia, and the American northwest. They roost quietly during the day and...

Lisa Winter, Robot Builder

When Lisa was 10, she built Doughboy, her first robot. For her, it’s all in the family — her father’s a robot builder and her mother collects them. But she really got hooked when her father came home from a Robots War...

Starling murmuration, a stunning clip from Jan van Ijken’s ‘The Art of Flying’

Murmurations, those dense clouds of whirling, pulsating, shapeshifting starling flocks, are a breathtaking dusk phenomenon. How do thousands of birds change directions and seemingly move as one without colliding? Dutc...

Into the Deep Unknown with deep sea biologist Diva Amon

In the summer of 2017, a team of scientists led by the Woods Hole Oceanographic Institution ventured a thousand kilometers off the coast of Brazil to explore the seafloor around a little-known cluster of islets called...

An unexpected way to inflate a balloon – Numberphile

The kamifusen is a traditional Japanese paper (kami) balloon (fusen) toy that became popular in the 1890s and can still be found in a variety of designs or decorated as spherical koi, pufferfish, penguins, monkeys, ra...

Atlas robot jumps and backflips

The last time we saw Boston Dynamics' Atlas robot, it was lifting boxes and being shoved around, a demonstration of its increasingly strong balancing technologies. In the video above, Atlas shows off its stunning jump...

Homemade marble track demonstrations by science teacher Bruce Yeany

Science teacher Bruce Yeany uses this collection of physics marble tracks to introduce and reinforce his students' ideas about perpetual and kinetic energy, motion, acceleration, inertia, and more. The tracks—stringle...

How A Children’s Toy Led To An Essential Medical Device

"We were out in a primary health center talking to health care workers [in Uganda] and we found a centrifuge used as a doorstop because there's no electricity." The workers said that they really needed a powerful cent...

Squid: Coming to Life, captured in microscopic detail

From a 'pearl' filled with dividing cells to hatchlings with color-shifting skin, watch as these very small cephalopods grow up under a microscope. The film, Squid: Coming to Life, was created by evolutionary and deve...

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