Study suggests physical cause for cell death in dry preservation

A new finding in experiments studying the dry preservation of living cells—a potentially revolutionary alternative to cryopreservation - has defined a clear limit where continuing dehydration kills cells. The data, combined ...

A volcanic idea to reverse climate change

Scientists believe that our warming world may face catastrophic changes to its natural environment, including droughts, rising oceans and fiercer, more frequent hurricanes.

Florida panthers bound back thanks to Texas mates

In the quest to save the endangered Florida panther, their Texas cousins were the cat's meow. Wildlife biologists moved eight female panthers from Texas - close relatives yet genetically distinct - into south Florida 15 years ...

Study looks at early Navajo use of smoke signals

(AP) -- Archaeologists and volunteers armed with special flares will fan out over part of the Four Corners region on Saturday to study how early Navajos could have used smoke signals to warn against invaders.

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