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Materials Science

Gold Deposits: Scientists design nanoparticle films

In a step toward a cheaper, easier way to connect computer chips to computers, scientists have patterned semiconductors with a film of extremely small gold particles.

Materials Science

Gold Deposits: Scientists design nanoparticle films

In a step toward a cheaper, easier way to connect computer chips to computers, scientists have patterned semiconductors with a film of extremely small gold particles.

Animals

Ant Traffic Flow: Raiding swarms with few rules avoid gridlock

The 200,000 virtually blind army ants using a single trail to swarm out to a raid and return home with the booty naturally develop three traffic lanes, and a study now shows that simple individual behavior makes the pattern.

Animals

Ant Traffic Flow: Raiding swarms with few rules avoid gridlock

The 200,000 virtually blind army ants using a single trail to swarm out to a raid and return home with the booty naturally develop three traffic lanes, and a study now shows that simple individual behavior makes the pattern.

Earth

Life at the Frigid Edge: Microbes turn up deep in Antarctic lake ice

A pocket of cold, concentrated saltwater at the bottom of an Antarctic lake could harbor life, say researchers who found microbes in the ice right above the briny layer.

Earth

Life at the Frigid Edge: Microbes turn up deep in Antarctic lake ice

A pocket of cold, concentrated saltwater at the bottom of an Antarctic lake could harbor life, say researchers who found microbes in the ice right above the briny layer.

Anthropology

Chinese Roots: Skull may complicate human-origins debate

A Chinese Homo sapiens skull, estimated in a controversial new study to be at least 68,000 years old and probably more than 100,000 years old, may challenge the theory that modern humans originated solely in Africa.

Anthropology

Chinese Roots: Skull may complicate human-origins debate

A Chinese Homo sapiens skull, estimated in a controversial new study to be at least 68,000 years old and probably more than 100,000 years old, may challenge the theory that modern humans originated solely in Africa.

Earth

Toppling icebergs sped breakup of Larsen B ice shelf

Scientists now think they know what accelerated the rapid disintegration of most of Antarctica's Larsen B ice shelf early this year after a strong summer storm pummeled the region.

Earth

Toppling icebergs sped breakup of Larsen B ice shelf

Scientists now think they know what accelerated the rapid disintegration of most of Antarctica's Larsen B ice shelf early this year after a strong summer storm pummeled the region.