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Animals

City birds hit the high notes

Some songbirds battle traffic noise by singing at a higher pitch.

Planets

A planet from the early universe

Astronomers have found the oldest and most distant planet known in the universe.

Plants

City trees beat country trees

Cottonwood trees grow better in New York City than in rural places around the state.

Animals

Navigating by the light of the moon

A dung beetle is the first animal found to navigate by detecting a property of moonlight.

Health & Medicine

Opening a Channel for Tasting Salt

Scientists may be a step closer to explaining people's fondness for salty snacks.

Tech

Butterfly wings and waterproof coats

Inspired by nature, scientists have come up with clever new designs for waterproof coatings.

Animals

Ant invasions change the rules

Ant invaders may wreck the rules by which entire communities of their peers work.

Tech

Cell phones and possible health hazards

Radiation from some cell phones appears to kill brain cells in rats.

Planets

Melting Snow on Mars

Melting blankets of snow may have carved out Martian gullies.

Animals

Booby brothers and bullies

Baby brown boobies can be pretty rough and tough in the nest.

Health & Medicine

Sleeping Soundly for a Longer Life

People who have trouble falling or staying asleep may be more likely to die sooner from natural causes compared to those who sleep well.

Space

Zooming In on the Wild Sun

A close look at the sun reveals a chaotic, ever-changing surface.