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Damaged Bears Find Solace in Rehab

Watch how Carpathian brown bears, scarred by the practice of training bears to dance for entertainment, are being given the chance to live out their lives in an environment tailored to creature comfort...

July 20, 2017 — John Wendle and Andrew Golden

Giant Model Mimics Damaged Dam Spillway

When the Oroville Dam spillway cracked and failed after a wet California winter, a team of scientists created a one fiftieth–scale model of the damaged concrete and eroded hillside to help guide the reconstruction...

June 28, 2017 — Lydia Chain

Why Do Allergies Make You Sneeze?

Do you suffer from allergies? Follow the dendritic cell and the entire Scientific American Allergy Orchestra to discover how allergens from pollen to pet dander can change the body's tune...

June 12, 2017 — Lydia Chain

How to Weigh a Star Using Gravitational Lensing

Astronomers recently tapped Einstein's concept of gravitational lensing to determine the weight of a distant star. Watch and learn how this concept came to be and how it works.

June 7, 2017 — Andrew Golden and Michael Lemonick

Searching for Life at the Bottom of the Arctic

Creatures living among the hydrothermal vents burbling under the Arctic Ocean's ice layer have been historically difficult to study, but an underwater vehicle, the Nereid Under Ice, can get close to the vents to peek in at the animals and their homes without disturbing their environment with icebreaking ships...

June 1, 2017 — Andrew Golden and Annie Sneed

Tackling China's Devastating Yellow River Floods

After learning how the waterway transports a billion tons of sediment into the sea each year, scientists built a tool that may help predict the inundations that impact some 80 million people...

May 15, 2017 — Lydia Chain

Broken Bones Hint at Earlier Human Arrival in the Americas

Mastodon bones and shattered stones suggest humans were migrating to the Americas some 100,000 years earlier than currently thought. Nature Video explores this controversial find. This video was reproduced with permission and was first published on April 26, 2017...

April 26, 2017 — Nature Video

Printing Glass

A new technique lets 3D printers create objects made of glass, which has optical and material advantages over traditional polymer. This video was reproduced with permission and was first published on April 19, 2017...

April 19, 2017 — Nature Video

Double Vortices Give Mosquitoes a Boost

Our understanding of how insects fly didn’t explain how mosquitoes managed to stay on the wing. It took eight slow-motion cameras to help researchers reveal how mosquito wing beats shape the air to give the insect extra lift...

April 3, 2017 — Nature Video
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