Female promiscuity—something that occurs in a majority of species, including humans—results in the ejaculates from two or more males overlapping within her reproductive tract. When this happens, sperm compete for fertilization ...
Evolution
Sep 26, 2013
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Within its first three months on Mars, NASA's Curiosity Rover saw a surprising diversity of soils and sediments along a half-kilometer route that tell a complex story about the gradual desiccation of the Red Planet.
Space Exploration
Sep 26, 2013
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Scientists are more confident than ever that pumping carbon dioxide into the air by burning fossil fuels is warming the planet. The question is, by how much?
Environment
Sep 26, 2013
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Ford Motor Co. said Thursday that it acquired the startup company Livio in a bid to accelerate its efforts to help drivers safely access content on their smartphone while on the road.
Software
Sep 26, 2013
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Google celebrated its 15th birthday Thursday with a trip down memory lane, and an update to the search engine formula which helped spawn the tech giant.
Internet
Sep 26, 2013
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An Austrian artist on Thursday drew three pictures simultaneously in three European capitals thanks to two robots copying his every movement in real time in Britain and Germany.
Robotics
Sep 26, 2013
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Taxpayers have been "ripped off" by the government's broadband roll-out in rural areas, the head of a powerful spending watchdog said as its damning report was released Thursday.
Telecom
Sep 26, 2013
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Google has quietly retooled the closely guarded formula running its Internet search engine to give better answers to the increasingly complex questions posed by Web surfers.
Internet
Sep 26, 2013
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Bitcoin Thursday got a lift with the arrival of a new investment vehicle that lets wealthy and professional investors bet on the virtual currency.
Business
Sep 26, 2013
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Tracking blood flow in the laboratory is an important tool for studying ailments like migraines or strokes and designing new ways to address them. Blood flow is also routinely measured in the clinic, and laser speckle contrast ...
Optics & Photonics
Sep 26, 2013
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