Search results for hikers

Environment May 8, 2019

A war is brewing over lithium mining at the edge of Death Valley

A small Cessna soared high above the Mojave Desert recently, its engine growling in the choppy morning air. As the aircraft skirted the mountains on the edge of Death Valley National Park, a clutch of passengers and environmentalists ...

Environment Apr 3, 2019

Geographers use big data to predict how slope affects human travel rates

Have you ever been running on a sidewalk making pretty good time, then hit a hill and slowed way down? If so, you've experienced how slope affects travel rates. For most of us, understanding how slope steepness impacts our ...

Earth Sciences Mar 27, 2019

State geologist, partners create new surface geology maps for Massachusetts

Anyone who digs in the earth needs a geologic map, says State Geologist Stephen Mabee at the University of Massachusetts Amherst, and now he and colleagues have finished a federal-state collaboration that began 81 years ago ...

Environment Mar 15, 2019

Receding Chilean glacier a sign of accelerating climate change

In the space of just two weeks, two large icebergs broke off the Grey Glacier in Chilean Patagonia—a sign of accelerating climate change, experts say.

Environment Mar 14, 2019

How (and why) to stay optimistic when it feels like the environment is falling apart

Humans love optimism. It's a no-brainer – optimism makes us feel good and wanting more. This attraction has deep neurological roots that affect both our brain functions and how we process new information.

Ecology Mar 6, 2019

Translocation of bighorn sheep in Arizona has positive genetic outcomes

Translocation is an important management tool that has been used for more than 50 years to increase bighorn sheep population numbers in Arizona and to restore herds to suitable habitat throughout their historical range. Yet, ...

Archaeology Mar 6, 2019

Dinosaur tracks make fresh impression at Valley Forge park

The national park on the site where George Washington and the struggling Continental Army endured a tough winter during the American Revolution boasts a new feature that's a couple of hundred million years old—dozens of ...

Robotics Mar 6, 2019

Could robots protect us in the surf?

Imagine there's a flock of aerial robots searching for a lost hiker. They have to cover a large area of remote bush and a central commander won't work because they're so spread out.

Environment Feb 26, 2019

Robinson Crusoe island sets example for the world in conservation

For almost a century, the inhabitants of Robinson Crusoe—named for literature's most famous castaway—have known that their island's fragile ecosystem depends on them conserving its unique wildlife.

Nanomaterials Feb 7, 2019

Scientists develop first fabric to automatically cool or insulate depending on conditions

Despite decades of innovation in fabrics with high-tech thermal properties that keep marathon runners cool or alpine hikers warm, there has never been a material that changes its insulating properties in response to the environment. ...

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