Violence in pre-Columbian Panama exaggerated, new study shows

Buried alive. Butchered. Decapitated. Hacked. Mutilated. Killed. Archaeologist Samuel K. Lothrop did not obfuscate when describing what he thought had happened to the 220 bodies his expedition excavated from Panama's Playa ...

Urbanization is cutting off life support to NYC's wetlands

Historically, salt marshes have not only served as ecological nurseries for fish, birds, and other wildlife—they've been stalwart defenses against coastal storms. But recently, coastal development coupled with accelerated ...

How Earth sheds heat into space

Just as an oven gives off more heat to the surrounding kitchen as its internal temperature rises, the Earth sheds more heat into space as its surface warms up. Since the 1950s, scientists have observed a surprisingly straightforward, ...

Common weed killer linked to bee deaths

The world's most widely used weed killer may also be indirectly killing bees. New research from The University of Texas at Austin shows that honey bees exposed to glyphosate, the active ingredient in Roundup, lose some of ...

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