A new study published in the journal Drug Testing and Analysis found that DMAA, a stimulant often found in many nutritional and sports supplements, does not originate from natural substances and is actually comprised of synthetic ...
Analytical Chemistry
Jul 12, 2012
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Photodetectors made from graphene can process and conduct light signals as well as electric signals extremely fast. Within picoseconds the optical stimulation of graphene generates a photocurrent. Until now, none of the available ...
Nanophysics
Jan 31, 2012
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It has long been known that distinctive blue flashes -- a type of bioluminescence -- that are visible at night in some marine environments are caused by tiny, unicellular plankton known as dinoflagellates. However, a new ...
Plants & Animals
Oct 19, 2011
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Researchers from Johns Hopkins have quantified the number of possible decisions that an individual cell can make after receiving a cue from its environment, and surprisingly, it's only two.
Cell & Microbiology
Oct 12, 2011
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A new study in the Journal of Consumer Research explains why sad people are more likely to want to hug a teddy bear than seek out a visual experience such as looking at art. Hint: It has to do with our mammalian instincts.
Social Sciences
Jun 15, 2011
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Certain events experienced at the moment of birth have consequences on the emotional reactions of animals at an adult age. French researchers from the Laboratoire d'Ethologie Animale et Humaine have tested the effects of ...
Other
Dec 14, 2010
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What does it feel like to return to Earth after a long stay in space? Until now, it has been difficult during astronaut training to realistically simulate the dizzying effects the human body can experience.
Space Exploration
Aug 24, 2010
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In a breeding experiment with Houbara bustards - a North African bird species with a very distinctive courtship behaviour, scientists have concluded that visual stimulation from attractive males of the same species positively ...
Plants & Animals
Jun 24, 2010
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(PhysOrg.com) -- Physicists in Austria have calculated the magnetic fields associated with certain types of lightning strikes are powerful enough to create hallucinations of hovering balls of light in nearby observers, and ...
(PhysOrg.com) -- In an effort to bring together the top academic robotics labs under one roof, a project called EXPO21XX has created an online exhibition to showcase the diversity in today's robotics research. At one website, ...
