Topic: nature

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Patrick Dougherty’s Stickwork in Salem and Sausalito

Are they nests? Cocoons, forts, beehives, ancient huts, forest castles? All of the above and more? From the Peabody Essex Museum in Salem, Massachusetts, watch how artist Patrick Dougherty planned and built 'What the ...

Nature’s Scuba Divers – How Beetles Breathe Underwater

"Water beetles have been breathing underwater since before the dinosaurs existed,” said Crystal Maier, an entomologist at The Field Museum in Chicago. “It has evolved at least 10 times across the insect tree of life."...

Why do autumn leaves cause train delays? – Liz Bonnin

Why do 'leaves on the line' cause train delays, especially in autumn? The serious danger comes from a series of physics challenges: Leaves are sucked onto the tracks by the fast moving trains. The train wheels crush t...

How Do Trees Transport Water from Roots to Leaves?

Travel through a part of the water cycle that we don't often think about: Water's journey from the roots of a Douglas fir, upward through hair-thin fibers within the trunk, reaching the tree's photosynthesizing needle...

Kangaroo Boxing Fight – BBC Life Story

In addition to their females' pouches, kangaroos are known for their "boxing" skills, and here's the reason why: Male kangaroos often fight to establish dominance or win a mate. Fights consist mostly of balancing on t...

Filming bats with slow motion & thermal cameras

Studying bats can be smelly and messy, but bat biologist Nickolay Hristov explains why he finds his job to be such an exhilarating endeavor. As he attends to high speed cameras at a cave mouth in South Central Texas, ...

What makes owls so quiet & so deadly for prey? – Deep Look

Get a close up look at the sound-muffling feathers of an owl. Add powerful low-light vision and a nocturnal nature, providing her with the cover of darkness, and the owl becomes a stealthy ambush hunter. From KQED's D...

The Real Reason Leaves Change Color In the Fall – MinuteEarth

Every autumn, green chlorophyll fades from the leaves of deciduous trees, revealing the underlying reds, oranges, and yellows. But why does the chlorophyll fade in the first place? Recycling! MinuteEarth explains. ...

Jane Goodall inspires kids at Berkeley’s Redwood Grove

For anyone who has admiration for trailblazing primatologist and conservationist Dr. Jane Goodall, these highlights of her October 13, 2015 appearance at Berkeley's University of California Botanical Garden will be a ...

Crab babies stampede toward water on a Bali beach

In 2008, Jeremias Maluw scooped up some sand crab babies (species yet to be identified) stampeding toward the water at Legian Beach in Bali. The video footage has since gone viral. Though grabbing a handful of these p...

Weather vs. Climate + Severe Weather – Crash Course Kids

Weather vs. climate... are they the same thing? In this episode of Crash Course Kids, Sabrina Cruz explains the differences: Weather refers to the day to day conditions of where you are on the planet. Climate refers t...

Nebula – A mysterious encounter in the mountains

Created by seven co-directors -- Camille André, Marion Bulot, Clément Doranlo, Myriam Fourati, Jonghyun Jungboix, Alexis Kerjosse, Sarah Simon -- all students from Gobelins L'École de L'Image, this is Nebula, a beauti...

Whales swim with a paddleboarder off the coast of Esperance

Take three minutes to fly over the crystal clear coast of Esperance in Western Australia to see two whales swimming near a paddleboarder. This drone footage was captured by Esperance local Jaimen Hudson, who went runn...

Why is biodiversity so important? – TED Ed

Biodiversity, short for biological diversity, is the term we use for the variety of animals, plants, fungi, bacteria, and other intertwined life forms within any ecosystem... "from towering redwood trees to tiny, sing...

How do firefighters combat and control wildfires?

It takes vehicles in the air, tools on the ground, highly trained hot shots, smoke jumpers, and helitack crews, and additional reinforcements of all kinds to combat wildfires. When "43,000 wildfires have burned more t...

How To Make Rope From Grass

Braided rope, twisted rope, plaited rope, endless winding rope, kernmantle rope... there many types of ropes, and that's only in the construction. There are a wide variety of rope materials, too: Hemp, cotton, jute, s...

Rachel Atherton’s downhill mountain biking victory at Vallnord

Attack the fast, twisty, often steep, jump-filled, rock and root riddled track at the 2015 UCI MTB World Championships in Vallnord, Andorra with British downhill mountain bike champion Rachel Atherton. Her World Champ...

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...