Impactswww.flickr.com In a warming world, who wins: Goats or sheep? The decline of ice in Glacier National Park is revealing once unavailable salt licks. Now mountain goats and bighorn sheep are fighting over them, a new study shows.
Impactscommons.wikimedia.org Some animals get dangerously hot when they have sex—they might be the ones that survive a warming world The thermal traits that have evolved for sexual success may help them endure climate change.
