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- Tech
Detecting life on Mars
A new device could look for life on Mars by analyzing the geometric traits of amino acids in soil.
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Drugs lengthen worm’s life span
A class of antiseizure drugs significantly extends the life span of roundworms, a finding that could lead to better understanding of factors that influence aging in people.
- Earth
Ice age hit Missouri 2.4 million years ago
Analyses of a soil sample from central Missouri suggest the date of onset of North America's most recent spate of ice ages.
- Earth
Ozone saps toads’ immune systems
In amphibians, ozone damages immune function in the lungs, suggesting a possible new contributor to worldwide amphibian declines.
