Evolution shapes new rules for ant behavior
Research sheds light on how patterns form in bird feathers
(Phys.org) —A new study by scientists in the U.S. and Taiwan has shown that birds have colorful and patterned feathers because of specific cellular interactions involving stem cells rather than through ...
Apr 26, 2013
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Light switches brain signaling: Longer days bring 'winter blues' for rats
Most of us are familiar with the "winter blues," the depression-like symptoms known as "seasonal affective disorder," or SAD, that occurs when the shorter days of winter limit our exposure to natural light ...
Apr 25, 2013
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Bringing life into focus
Spinning-disk confocal microscopy is an optical imaging technique that can be used to generate detailed three-dimensional fluorescence images of living cells and their contents. Although a powerful tool for ...
May 17, 2013
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For social spiders, preying together aids younger siblings
(Phys.org) —The behavior of social spiders may settle debates over the benefits of older siblings. Cornell researchers studying Australian social huntsman spiders have discovered that younger siblings thrive ...
May 16, 2013
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Researchers find correlation between face shape and procreation rates and rank in male soldiers
Study examines best methods for gaining Twitter followers
(Phys.org) —What do all Twitter users want? Followers – and lots of them. But unless you're a celebrity, it can be difficult to build your Twitter audience (and even some celebs have trouble). Looking ...
May 02, 2013
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Global networks must be redesigned, professor says
The increasing interdependencies between the world's technological, socio-economic, and environmental systems have the potential to create global catastrophic risks. We may have to redesign global networks, concludes Professor ...
May 01, 2013
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Why do guppies jump? The answer is evolutionary (w/ video)
(Phys.org) —If you've owned a pet guppy, you know they often jump out of their tanks. Many a child has asked why the guppy jumped; many a parent has been stumped for an answer. Now a study by University ...
Apr 25, 2013
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Researchers identify protein molecule used to maintain adult stem cells in fruit flies
Understanding exactly how stem cells form into specific organs and tissues is the holy grail of regenerative medicine. Now a UC Santa Barbara researcher has added to that body of knowledge by determining ...
Apr 22, 2013
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Can the friend of my friend be my enemy? Choice affects stability of the social network
Just as humans can follow complex social situations in deciding who to befriend or to abandon, it turns out that animals use the same level of sophistication in judging social configurations, according to ...
Apr 22, 2013
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Researchers study code that allows bacteria to either bet on the present or travel in time
(Phys.org)—Individual freedom and social responsibility may sound like humanistic concepts, but an investigation of the genetic circuitry of bacteria suggests that even the simplest creatures can make difficult choices ...
Apr 22, 2013
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The pirate ant: A new species from the Philippines with a bizarre pigmentation pattern
Scientists discovered a new enigmatic species of ant coming from the Philippines. Cardiocondyla pirata or the pirate ant engages the imagination with a bizarre pigmentation pattern that has no equivalent worldw ...
May 21, 2013
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Don't lose the organism in the excitement over its genes, biologists urge
(Phys.org) —It's been said metaphorically that too much focus on the trees can cause one to lose sight of the forest. In a similar check of perspective, a group of biologists, led by a University of California, ...
May 21, 2013
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Illusion of control: Why sports fans prefer 'lucky' products
Consumers engage in superstitious behavior when they want to achieve something but don't have the power to make it happen, according to a new study in the Journal of Consumer Research.
May 14, 2013
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