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Planets

Unveiling Titan

A space probe that landed on Saturn's frigid moon Titan found a landscape that looks a lot like Earth.

Tech

Musclebots Take Some Steps

Researchers have let loose scores of walking micromachines made from heart muscle.

Environment

The wolf and the cow

Can livestock and predators share the same land?

Fossils

Dino takeout for mammals

Ancient mammals dined on young dinosaurs.

Animals

Tool use comes naturally to crows

Certain crows appear to be born with an instinct to make and use tools.

Earth

Wave of destruction

The recent Indian Ocean tsunami was one of the most deadly and destructive natural disasters in modern times.

Earth

Digging into a tsunami disaster

A powerful earthquake under the Indian Ocean changed Earth's surface and spin.

Animals

Geckos’ Sticky Feet Clean Themselves

Tiny hairs on gecko toes can stay nearly dirtfree, helping the lizards cling to ceilings.

Tech

Riding Sunlight

A solar sail spacecraft relies on sunlight instead of wind to cruise through space.

Animals

A fallout feast for crabs

Crabs can take advantage of hot, toxic plumes from undersea vents to feed on poisoned plankton.

Animals

Blotchy face, big-time wasp

If paper wasps pretend to be something they're not, their peers get angry.

Brain

Swedish Rhapsody

Celebrations honoring the world's top scientists brought students from many countries to Sweden to tour, learn, talk, and party.