Solar drone stays aloft for record 7 days: company

An ultra-light unmanned aircraft powered by solar energy and designed for military surveillance and other uses has stayed in the air a record seven days, its manufacturer said Friday.

Google buys Metaweb to 'improve search'

(AP) -- Search giant Google Inc. says it has bought Metaweb Inc., a company that helps connect Internet search words to real-world things.

Mayan king's tomb discovered in Guatemala

A well-preserved tomb of an ancient Mayan king has been discovered in Guatemala by a team of archaeologists led by Brown University's Stephen Houston. The tomb is packed with of carvings, ceramics, textiles, and the bones ...

Novel microfluidic HIV test is quick and cheap

UC Davis biomedical engineer Prof. Alexander Revzin has developed a "lab on a chip" device for HIV testing. Revzin's microfluidic device uses antibodies to "capture" white blood cells called T cells that are affected by HIV. ...

Cometary Impact on Neptune Two Centuries Ago

(PhysOrg.com) -- (PhysOrg.com) -- A comet may have hit the planet Neptune about two centuries ago. This is indicated by the distribution of carbon monoxide in the atmosphere of the gas giant that researchers - among them ...

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