Earth

Tech

A greener way to keep flames away

Scientists use safer materials to create a new flame retardant.

Animals

An energy lesson from panda poop

Scientists say microbes in panda feces may help convert grasses into fuel.

Chemistry

Plant-powered plastics

Scientists are using green materials to create more Earth-friendly plastics.

Earth

Tsunami’s trek traced in the sky

Scientists photograph atmospheric ripples that followed the March tsunami across the Pacific.

Environment

Swirling seas of plastic trash

Long-lasting oceanic garbage threatens marine life.

Animals

Changing climate alters fish behavior

Study finds clownfish don’t swim away from scary sounds in future ocean conditions.

Climate

Germy weather

Bacteria high in the sky could be causing rain, snow and hail.

Oceans

Life beneath the ‘berg

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

Earth

Ash blast

Tiny particles ejected from a 2010 volcanic eruption pose big problems.

Environment

Busy bacteria leave big mark

Earth’s earliest life-forms built mounds on an Antarctic lake bottom.

Earth

Ice on the move

Flowing glaciers help scientists study climate change.

Oceans

Sea changes

Carbon dioxide is making the oceans more acidic.