Lived through period of species extinction
A species of ancient predator with saw-like teeth, sleek bodies and a voracious appetite for meat survived a major extinction at a time when the distant relatives of mammals ruled the earth. (more…)
*Rats free trapped companions, even when given choice of chocolate instead*
The first evidence of empathy-driven helping behavior in rodents has been observed in laboratory rats that repeatedly free companions from a restraint, according to a new study by University of Chicago neuroscientists.
The observation, published today in Science, places the origin of pro-social helping behavior earlier in the evolutionary tree than previously thought. Though empathetic behavior has been observed anecdotally in non-human primates and other wild species, the concept had not previously been observed in rodents in a laboratory setting. (more…)
EAST LANSING, Mich. — Catching terrorists who detonate bombs may be easier by testing the containers that hide the bombs rather than the actual explosives, according to pioneering research led by Michigan State University. (more…)
New research suggests it may be possible to learn high-performance tasks with little or no conscious effort
New research published today in the journal Science suggests it may be possible to use brain technology to learn to play a piano, reduce mental stress or hit a curve ball with little or no conscious effort. It’s the kind of thing seen in Hollywood’s “Matrix” franchise. (more…)
A new software tool developed by the HiRISE team in the UA’s Lunar and Planetary Lab allows members of the public to download high-resolution images of the Martian landscape almost instantaneously and explore the surface of the Red Planet from their own desktops
Imagine zooming in over the surface of Mars, sweeping over sand dunes and circling around the rims of craters – all from your home desktop. (more…)
SAN FRANCISCO – A planet made of diamonds may sound lovely, but you wouldn’t want to live there.
A new study suggests that some stars in the Milky Way could harbor “carbon super-Earths” – giant terrestrial planets that contain up to 50 percent diamond. (more…)
*Candida tropicalis turns out to have sex, making it the second medically important member of the genus to be capable of mating. Sex may improve the survival of the species, particularly when it’s under pressure. It may also mean the species can achieve greater virulence or drug resistance more quickly than previously thought.*
PROVIDENCE, R.I. [Brown University] — The fungi of the Candida genus, known to millions of patients worldwide for their ability to cause serious infections, were once all thought to be asexual. Even after scientists discovered that the mating habits of Candida albicans were many and varied, they remained convinced that many of the more infectious ones did not mate. Now with the first report that Candida tropicalis can mate sexually as well, the chastity of the whole genus comes into further doubt. (more…)
Discovery could help future treatments for muscle repairs, disorders
COLUMBIA, Mo. – When a muscle is damaged, dormant adult stem cells called satellite cells are signaled to “wake up” and contribute to repairing the muscle. University of Missouri researchers recently found how even distant satellite cells could help with the repair, and are now learning how the stem cells travel within the tissue. This knowledge could ultimately help doctors more effectively treat muscle disorders such as muscular dystrophy, in which the muscle is easily damaged and the patient’s satellite cells have lost the ability to repair. (more…)
