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Tech

Roboroach and company

Cockroaches and lobsters inspire robots that navigate in darkness and track smells.

Humans

Salt and Early Civilization

Evidence from China suggests that people were making salt at least 4,000 years ago.

Animals

Who’s knocking?

Recordings of calls and drumming provide new evidence that the ivory-billed woodpecker survives.

Animals

Walktopus

Some octopuses can walk, using two of their eight arms to scoot backward.

Space

Asteroid Moons

Astronomers have spotted an asteroid with two moons.

Life

Algae motors

Single-cell algae can haul hefty loads.

Planets

A Smashing Display

A space probe slams into a comet and sends up a mighty cloud of dust.

Brain

Monkeys in the Mirror

Capuchin monkeys react to their own mirror images in surprising ways.

Fossils

Dino Babies

Fossilized eggs suggest that baby dinosaurs may have relied on grown-ups for help.

Health & Medicine

Screaming for Ice Cream

Making ice cream better tasting, longer lasting, and more nutritious takes a lot of research.

Environment

Seabirds deliver Arctic pollutants

When birds look for food at sea, they pick up and carry pollutants back to their nesting areas.

Space

World of Three Suns

A planet in the Milky Way tightly orbits the main star of a stellar trio.