Earth and Human Activity

Oceans

Life beneath the ‘berg

Scientists find Antarctic icebergs play a new and bigger role in the climate cycle.

Health & Medicine

Sunlight worsens jet pollution

Chemical reactions caused by the sun’s rays worsen air pollution from idling jets at airports.

Animals

Big fish in troubled waters

Overfishing cuts number of large predator fish in the ocean.

Oceans

Sea changes

Carbon dioxide is making the oceans more acidic.

Materials Science

Battery powered to heal

With its own first-aid kit, this battery can really keep going.

Environment

Floor of Gulf got slimed

Oil from BP spill was likely dragged down by bacterial goo.

Earth

Quake leaves destruction, fear

In Japan, an earthquake started a tsunami that caused a nuclear disaster.

Environment

Planting seeds for better plastic

Scientists are working to put the bio in plastics.

Environment

Underwater racket

The oceans are getting louder, and scientists want to know what that means for marine residents.

Animals

A Sense of Danger

Can animals warn us if an earthquake or some other natural disaster is about to strike?

Climate

Arctic algae show climate change

Sediment from Arctic lakes shows that much of the Northern Hemisphere has been warming for many decades.

Humans

A diamond polish for ancient tools

People in Stone Age China may have used diamonds to polish their stone axes.