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Bioscience News
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Today's biological science headlines from the sources selected by our team:
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Study provides better understanding of how mosquitoes find a host
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The potentially deadly yellow-fever-transmitting Aedes aegypti mosquito detects the specific chemical structure of a compound called octenol as one way to find a mammalian host for a blood meal.
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Sonic hedgehog gene found in an unexpected place during limb development
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Sonic hedgehog is at work in mice limb buds in what is known as the ectoderm, the cell layer that gives rise to skin, researchers discovered. Finding Sonic hedgehog here is akin to discovering that yeast has crept from the batter to the frosting, where it has the surprising effect of limiting how much the cake rises. In this case, instead of causing appendages to grow in mice, Sonic hedgehog prevents digits from developing.
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Large mammals need protected areas, forest cover in India
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A study of extinction patterns of 25 large mammal species in India finds that improving existing protected areas, creating new areas, and interconnecting them will be necessary for many species to survive this century.
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Students' perceptions of Earth's age influence acceptance of human evolution, says U of Minn. study
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(University of Minnesota) High school and college students who understand the geological age of the Earth (4.5 billion years) are much more likely to understand and accept human evolution, according to a University of Minnesota study published in the March issue of the journal Evolution.
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India's shrinking animal ark needs more parks, corridors
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(Wildlife Conservation Society) A study on the past extinction of large mammals in India by the Wildlife Conservation Society, Duke University, and other groups has found that country's protected area system and human cultural tolerance for some species are key to conserving the subcontinent's tigers, elephants, and other large mammals.
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UC Riverside to host 3-day international meeting on drought
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(University of California - Riverside) To compare drought impact and mitigation at the international level, UC Riverside has organized a meeting that will bring together senior drought experts and policy makers from five drought-plagued regions: Spain, Australia, South Africa, Mexico and California. The "International Drought Symposium: Integrating Science and Policy" will take place March 24-26, 2010, at the Riverside Marriott Hotel, 3400 Market St., Riverside, Calif. Topics to be covered include economics, agronomy, hydrology, ecology, technology, policy and water management.
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New species discovered on the Great Barrier Reef
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Between the grains of sand on the sea floor there is an unknown and unexplored world. Pierre De Wit at Gothenburg University knows this well, and has found new animal species on the Great Barrier Reef, in New Caledonia and in the sea off the Gullmarsfjord in the Swedish county of Bohuslän. 
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Snake venom charms science world
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The King Cobra continues to weave its charm with researchers identifying a protein in its venom with the potential for new drug discovery and to advance understanding of disease mechanisms. 
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Seafarers' scourge provides hope for biofuel future
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For centuries, seafarers were plagued by wood-eating gribble that destroyed their ships, and these creatures continue to wreak damage on wooden piers and docks in coastal communities. 
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