What makes some species more prone to extinction? A new study of nearly 300 species of New Zealand birds — from pre-human times to the present — reveals that the keys to survival today differ from those of the past.
Ecology
Aug 2, 2012
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(Phys.org) -- Muscle size, genetics and training are among the countless factors that separate Olympic sprinters from the average person. On a fundamental level, however, the mechanics of running are the same for all humans. ...
Other
Aug 2, 2012
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(Phys.org) -- The plant hormone ethylene lets green tomatoes ripen even after the harvest, whereas the closely related chili peppers show no such effect. Researchers from the Max-Planck-Institute of Molecular Plant Physiology ...
Biotechnology
Aug 2, 2012
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(Phys.org) -- The colour of night-time skyglow may be about to undergo a radical change worldwide, according to scientists of the Freie Universität Berlin and the Leibniz Institute of Freshwater Ecology and Inland Fisheries. ...
Space Exploration
Aug 2, 2012
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(Phys.org) -- NASA's newest Mars mission, landing in three days, will draw on support from missions sent to Mars years ago and will contribute to missions envisioned for future decades.
Space Exploration
Aug 2, 2012
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(Phys.org) -- NASA's Mars Science Laboratory will land on Mars on Monday 6 August (AEST). The Canberra Deep Space Communication Complex, which CSIRO manages on behalf of NASA, will be the main tracking station for the landing. ...
Space Exploration
Aug 2, 2012
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(Phys.org) -- In science fiction novels, evil overlords and hostile aliens often threaten to vaporize the Earth. At the beginning of The Hitchhikers Guide to the Galaxy, the officiously bureaucratic aliens called Vogons, ...
Astronomy
Aug 2, 2012
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Religious reasoning should not affect how judges decide cases—and may even infringe on religious freedom, says University of Alberta law scholar.
Social Sciences
Aug 2, 2012
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Dust and aerosol pollution from Asia travels across the ocean and sullies the air in the United States and Canada, possibly worsening the effects of climate change, a study showed Thursday.
Earth Sciences
Aug 2, 2012
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(Phys.org) -- Many simple models of plant response to warming climates predict vegetation to find cooler and/or wetter locations, generally moving upslope from their current positions.
Ecology
Aug 2, 2012
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