- 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.
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- 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.
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