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Science News Archive - February 28, 2009

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A new study by scientists in France offers a possible explanation for left-handedness, finding that the trait survived since prehistoric times in part due to its rarity, which offered benefits.

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Researchers Antonio G Pisabarro (Professor of Microbiology) as well as José Luis Lavín and José Antonio Oguiza, from the Genetic and Microbiology Group at the Public University of Navarre, have taken part in the international project for the sequencing of the genome of the Postia placenta fungus.

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With almost $3 billion in economic losses from below-normal rainfall this year, California Governor Arnold Schwarzenegger declared a state emergency on Friday due to drought, and is even considering mandatory water rationing.

Biologists in Wisconsin and Minnesota say they will fit several golden eagles with global positioning devices to trace their migration. Unlike the bald eagle, golden eagles are not native to western Wisconsin and eastern Minnesota, but have been spotted in the hundreds in recent years, the Milwaukee Journal Sentinel reported Saturday. Golden eagles primarily are a western bird that occupy the Dakotas and northern Ontario west to the Pacific Ocean, said Scott Mehus, a spokesman for the National Eagle Center in Wabasha, Minn. We assume these birds are probably coming from northern Ontario, and this (global positioning) device will tell us if that's true, said Mehus.

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Activists, including a French scientist, a US actor, indigenous people from Africa, Australia and the US have gathered to issue a warning to US lawmakers against uranium mining.

European scientists say the decline in shark populations might be the result of gender segregation among the predatory fish. Printed in the Proceedings of the Royal Society B journal, researchers said there is a striking level of sexual segregation among the mako shark in the South Pacific Ocean. The Australian Broadcasting Corp.

Word of the Day
call-note
  • The call or cry of a bird or other animal to its mate or its young.
'Call-note' is newer than 'bird-call,' which originally referred to 'an instrument for imitating the note of birds' but now also refers to 'the song or cry of a bird.'
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