Researchers have traced genetic changes in a bacterial pathogen over 450 years, and claim that epidemics of bacterial disease in human history may be caused by chance environmental changes rather than genetic mutations.
Cell & Microbiology
Aug 4, 2014
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In October 2004, excavation of fragmentary skeletal remains from the island of Flores in Indonesia yielded what was called "the most important find in human evolution for 100 years." Its discoverers dubbed the find Homo floresiensis, ...
Archaeology
Aug 4, 2014
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When the space shuttle Columbia disintegrated on re-entry in 2002, sophisticated computer models were key to determining what happened.
Computer Sciences
Aug 4, 2014
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How long does it take for natural Earth processes to form hydraulic fractures? Is the formation driven by sediment compaction, oil and gas generation, or something else? What role do these natural fractures play in modern ...
Earth Sciences
Aug 4, 2014
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There's a new wave of sound on the horizon carrying with it a broad scope of tantalizing potential applications, including advanced ultrasonic imaging and therapy, acoustic cloaking, and levitation and particle manipulation. ...
General Physics
Aug 4, 2014
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Three massive volcanic eruptions occurred on Jupiter's moon Io within a two-week period last August, leading astronomers to speculate that these presumed rare "outbursts," which can send material hundreds of miles above the ...
Space Exploration
Aug 4, 2014
1
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Passcodes are outdated. They're a pain to use, and they aren't secure when they are based on easy-to-guess digits, such as a birth date or street address. Many people don't bother using them on phones, even though that means ...
Consumer & Gadgets
Aug 4, 2014
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Imagine a world in which your wristwatch or other wearable device communicates directly with your online profiles, storing information about your daily activities where you can best access it – all without requiring batteries. ...
Telecom
Aug 4, 2014
2
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NASA and NOAA satellites have been supplying forecasters with data developing tropical cyclones in the Eastern and Central Pacific Ocean and over the last several days. There have been as many as five tropical systems at ...
Earth Sciences
Aug 4, 2014
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It's easy to guess why it doesn't take long to learn to avoid certain behaviors and embrace others. But how do we know what drives these predilections? A study led by Aimee Dunlap at the University of Missouri-St. Louis, ...
Evolution
Aug 4, 2014
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