How bats recognize their own 'bat signals'

Individual bats emit sonar calls in the dark, using the echo of their signature sounds to identify and target potential prey. But because they travel in large groups, their signals often "jam" each other, a problem resembling ...

Follow your heart as you pursue your career

More than half of working Americans feel disengaged from their jobs, according to Gallup's latest State of the American Workplace poll. Unenthusiastic, uncommitted, and uninvolved, male and female workers alike are now, more ...

First evidence of farming in Mideast

Until now, researchers believed farming was "invented" some 12,000 years ago in the Cradle of Civilization—Iraq, the Levant, parts of Turkey and Iran—an area that was home to some of the earliest known human civilizations. ...

Project uses crowd computing to improve water filtration

Nearly 800 million people worldwide don't have access to safe drinking water, and some 2.5 billion people live in precariously unsanitary conditions, according to the Centers for Disease Control and Prevention. Together, ...

Nearby 'dwarf' galaxy is home to luminous star cluster

A team of Tel Aviv University and UCLA astronomers have discovered a remarkable cluster of more than a million young stars are forming in a hot, dusty cloud of molecular gases in a tiny galaxy very near our own.

Programming DNA to reverse antibiotic resistance in bacteria

At its annual assembly in Geneva last week, the World Health Organization approved a radical and far-reaching plan to slow the rapid, extensive spread of antibiotic resistance around the world. The plan hopes to curb the ...

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