Life
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Animals
City birds hit the high notes
Some songbirds battle traffic noise by singing at a higher pitch.
By Emily Sohn -
Plants
City trees beat country trees
Cottonwood trees grow better in New York City than in rural places around the state.
By Emily Sohn -
Animals
Navigating by the light of the moon
A dung beetle is the first animal found to navigate by detecting a property of moonlight.
By Emily Sohn -
Tech
Cell phones and possible health hazards
Radiation from some cell phones appears to kill brain cells in rats.
By Emily Sohn -
Animals
Ant invasions change the rules
Ant invaders may wreck the rules by which entire communities of their peers work.
By Emily Sohn -
Animals
Booby brothers and bullies
Baby brown boobies can be pretty rough and tough in the nest.
By Emily Sohn -
Animals
Better tools for techno crows
Certain crows can make tools and even refine their designs.
By Emily Sohn -
Animals
Fish nests with pizzazz
Fish known as three-spined sticklebacks go gaga over decorating their nests.
By Emily Sohn -
Animals
Lucky survival for black cats
A cat's black color may date back to a mutation that also protected the felines from diseases a long time ago.
By Emily Sohn -
Plants
Slower growth, greater warmth
A shift toward slower-growing trees might make Earth's climate warm up even faster.
By Emily Sohn -
Environment
Cliff snails and rock climbers
Rock climbers can accidentally wipe out communities of cliff snails.
By Emily Sohn