Mars volcanic deposit tells of warm and wet environment

(PhysOrg.com) -- Roughly 3.5 billion years ago, the first epoch on Mars ended. The climate on the red planet then shifted dramatically from a relatively warm, wet period to one that was arid and cold. Yet there was at least ...

New dioxin rules might force more cleanups

(AP) -- The government has spent many millions of dollars in recent decades cleaning up sites contaminated with dioxin and, in extreme cases, relocating residents of entire neighborhoods tainted by the toxin.

Researchers could use plant's light switch to control cells

(PhysOrg.com) -- Chandra Tucker shines a blue light on yeast and mammalian cells in her Duke University lab and the edges of them start to glow. The effect is the result of a light-activated switch from a plant that has been ...

Nokia Siemens Networks achieves world record copper DSL speeds

Nokia Siemens Networks has successfully tested a technology that could drastically increase the data carrying capacity of standard copper wires. The company achieved data transmission speeds of 825 megabits per second (Mbps) ...

Supreme Court to hear violent video game case

(AP) -- Before picking up any Wii games or downloading apps on her iPhone for her two daughters, Lillian Quintero does her homework. She'll first read reviews online and in magazines, then try them out for herself. If she ...

Phosphorus identified as the missing link in evolution of animals

(PhysOrg.com) -- A University of Alberta geomicrobiologist and his PhD student are part of a research team that has identified phosphorus as the mystery ingredient that pushed oxygen levels in the oceans high enough to establish ...

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