Life

Animals

Like mother, like daughter

Scientists have for the first time created a horse by cloning.

Brain

Seniors Who Care Live Longer

Older people who took care of others lived longer than those who were less helpful.

Animals

City birds hit the high notes

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

Plants

New gene fights potato blight

Adding a gene from a wild potato to the varieties we eat could stop a devastating potato disease.

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.

Animals

Ant invasions change the rules

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

Animals

Booby brothers and bullies

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

Tech

Cell phones and possible health hazards

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

Animals

Fish nests with pizzazz

Fish known as three-spined sticklebacks go gaga over decorating their nests.

Animals

Better tools for techno crows

Certain crows can make tools and even refine their designs.

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.