Biologists determine bacteria sense damage to relatives

Carnegie Mellon University biologists have discovered that Vibrio cholerae, the bacteria behind the cholera disease, can sense when its relatives die. Bacterial cell death is often accompanied by lysis, where the cell explodes, ...

Growing biofilms actively alter host environment, study reveals

Dental plaque, gut bacteria and the slippery sheen on river rocks are all examples of biofilms, organized communities of microorganisms that colonize our bodies and the world around us. A recent study led by Penn State researchers ...

Horn of Africa floods displace more than two million

More than two million people across the Horn of Africa have been forced from their homes by torrential rains and floods, according to an AFP tally compiled Thursday from government and UN figures.

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