Seals work harder to find food after sea-ice collapse
Scientists have made dire predictions about how Arctic animals will respond to sea-ice decline. Now changes are emerging that confirm what researchers feared.
As Arctic shrubs grow taller, snowshoe hares move north
In the late 1970s, a pilot living near the Colville River in northern Alaska started seeing the trails of snowshoe hares.
Captive tigers can learn to hunt
Do captive-born animals have what it takes to survive in the wild? That’s a crucial question to answer because some types of animals are likely extinct in their natural habitat and must
Pandas offer ‘protective umbrella’ to other animals
This article is available in Spanish through a partnership with the Institute of Ecology at the National Autonomous University of Mexico.
Which ocean animals will escape warming waters?
The rich get richer, and the poor get poorer, the saying goes — and it looks like the same may hold true for marine species’ responses to climate change.
‘Walking hibernation’ won’t save polar bears
In 2008 and 2009, researchers searched by helicopter or icebreaker for polar bears in the Beaufort Sea and on nearby shores.
Risky rubber plantations: a lose-lose scenario
Manufacturers make more than a billion tires every year from natural rubber, much of which comes from a plant called the para-rubber tree.
Marine protected areas aren’t safe from light pollution
Anyone’s who strained to make out the Big Dipper at night knows that light pollution can be a problem in cities.
The surprising shapes of mountain ranges
Ask someone to draw a mountain range, and chances are they’ll sketch a series of triangles.
Wind turbines disturb prairie-chicken mating
Greater prairie-chickens have an amusing mating ritual: Males gather in groups, puff out the orange sacs on their necks, perk up feathers on their heads like little horns, and call “whooo-
