Earth

Humans

Food exports can drain arid regions

Many dry regions ‘export’ large amounts of water in the form of agricultural products.

Earth

Making Waves

Japanese quake gave scientists an unprecedented look at a big tsunami.

Earth

BPA fosters diabetes-promoting changes

Exposures typical of the general public are enough to alter insulin secretion.

Humans

Numbers warn of looming collapses

Mathematical tools help researchers predict when systems are about to change dramatically.

Animals

Classic sooty-moth tale bolstered by new results

A scientist’s six-year backyard experiment strengthens the scenario for evolutionary changes due to industrial pollution.

Earth

Little Ice Age began with a bang

Frozen moss suggests climate cooling kicked off fast, possibly with help from volcanic eruptions.

Earth

Some corals like it hot

Western Australian reefs are faring better than their eastern counterparts, at least for now.

Earth

Big volcanoes wake up fast

Crystal chemistry suggests magma changes quickly before a huge eruption.

Humans

Predatory pythons shift Everglades ecology

As invasive snakes expand territory, some mammal populations drop by more than 90 percent within a decade.

Climate

Humans’ greenhouse gas emissions throw next ice age off schedule

Life

Deep Life

Teeming masses of organisms thrive beneath the seafloor.

Earth

‘Nonstick’ pollutants may cut efficiency of vaccines in kids

Antibodies from immunizations are halved among children with the highest exposure levels to common chemicals.