Extras
Depression Can Affect Memory—and Mirror Signs of Alzheimer's
Exercise may help depression patients regain memory.
Depression Can Affect Memory—and Mirror Signs of Alzheimer's
The Evolution of Prosthetic Leg Technology
Amputation procedures haven't changed much since the Civil War era.
The Evolution of Prosthetic Leg Technology
Increasing Access to Brain-Controlled Prosthetics
Bionic interventions might allow people to one day design their own limbs.
Increasing Access to Brain-Controlled Prosthetics
How Neanderthals Came to Inhabit Northwest Europe
Stone tools reveal that four species of human have occupied Britain.
How Neanderthals Came to Inhabit Northwest Europe
Climbers Tell Story of Mt. Washington Climbing Accident
Climbing partners have a harrowing experience on Mount Washington in NH.
Climbers Tell Story of Mt. Washington Climbing Accident
An ingenious new technology allows prosthetic legs to move and feel like the real thing.
Augmented Preview
The Mammoth Species You've Never Heard Of
These bones could have belonged to some of the last surviving steppe mammoths in Britain.
The Mammoth Species You've Never Heard Of
Sir David Attenborough explores a site with traces of ancient mammoths and Neanderthals.
Great Mammoth Mystery Preview
Join biologists on an ingenious hunt for the clues hidden in animal poop.
Secrets in the Scat Preview
Can Poop Help Protect Rhinos from Poachers?
To “scatologists,” a pile of fresh scat in the wild is a treasure trove of information.
Can Poop Help Protect Rhinos from Poachers?
Portable Homes Help Communities Adapt to Climate Change
See how one Alaskan community is dealing with the effects of rising Arctic temperatures.
Portable Homes Help Communities Adapt to Climate Change
What's Causing Water to Bubble in the Arctic?
Scientists look for the source of large bubbles in an Arctic lake.
What's Causing Water to Bubble in the Arctic?
In the Arctic, enormous releases of methane, a potent greenhouse gas, threaten the climate