Tag: "running" at biology news
Ancient birds flew on all-fours
...s began flying by taking off from the ground while running
and shows that the dinosaur-like bird Archaeopteryx soared using wing-like feathers on all of its limbs. "The discussions about the origins of avian flight have been dominated by the so-called 'ground up' and 'trees down' hypotheses," Longrich said....
Yale scientists to hold press conference on planetary discoveries, extraterrestrial life
...xhibition "Alien Earths," opening September 30 and running
through May 6. Developed by the Space Science Institute in Boulder, Colorado, Alien Earths presents research and discoveries related to NASA's Origins Program, a series of missions spanning the next 20 years in which scientists will use space- and gr...
Animals resistant to drunken behavior offer clues to alcoholism's roots
...t to keel over." By contrast, whir flies just kept running
around, he said. Teasing out such differences in behavior usually requires careful analysis of videotaped behavior, he added. However, the ethanol resistance they observed in this case was immediately obvious. Further examination of their resista...
Everybody dance: The energy you use won't shorten your life
...nner" mice, that is, mice that loved to run on the running
wheels placed in their cages. One group of runner mice had access to running
wheels, but the second group of runner mice did not. The third group consisted of regular laboratory...
Carnegie Mellon scientists use 'green' approach to transform plastics manufacturing
...ing industrial purification costs before and after running
a reaction and permitting the production of new, unprecedented materials. "By reducing the level of the copper catalyst used in ATRP, we have made this process at least 100 times more efficient and much more amenable to industrial processes," said Kr...
Teenager moves video icons just by imagination
... connected the patient to a sophisticated computer running
a special program known as BCI2000 (developed by their collaborator Gerwin Schalk at the Wadsworth Center, New York State Department of Health in Albany) which involves a video game that is linked to the ECoG grid. They then asked the boy to do vario...
Spring in your step helps avert disastrous stumbles, scientists say
... work suggests that even falling into a hole while running
does not significantly disturb the regularity of hip motion. By contrast, the distal ankle and tarsometatarsophalangeal joints act as dampers, absorbing energy when the limb contacts the ground at an unexpected steep angle and shorter limb length, or...
American research finds twins more likely to have premature menopause
...tility (20s), in mothers whose biological clock is running
faster than normal and whose ovarian reserve is running
low, the likelihood of having twins shifts to an earlier age to their peak childbearing years. So, ...
Governments should act now to save threatened turtles
... need to be involved in their conservation. We are running
out of time and what is now needed is a team effort from all of the governments to save these fragile populations.'...
UCLA engineers develop revolutionary nanotech water desalination membrane
...d interest because we realize that not only are we running
out of fresh water, but the current technology is ...ited, we lack implementation experience and we are running
out of time. I hope the discovery of new nanotechnologies like our membrane will continue to generat...
Scientists crack rhino horn riddle
...now has revealed an interesting clue: dark patches running
through the center of the horns. The team examined the heads of rhinos that died of natural causes and were donated by The Wilds in Cumberland, Ohio, and the Phoenix Zoo. Researchers conducted CT scans on the horns at O'Bleness Memorial Hospital in...
Varied diet of early hominid casts doubt on extinction theory, says Colorado U study
...onheimer said. "It's like having a motion picture running
over months and years instead of just having one still image." Swartkrans is a renowned early hominid cave site containing remains of both Paranthropus robustus and early members of the genus Homo, he said. The cave is of high interest to archaeo...
Mysterious 'neural noise' actually primes brain for peak performance
...oked like noise may actually be the brain's way of running
at optimal performance." Bayesian computing can be done most efficiently when data is formatted in what's called "Poisson distribution." And the neural noise, Pouget noticed, looked suspiciously like this optimal distribution. This idea set Pouget an...
Remote latrine reconfirms the presence of Essene sect at Qumran
...mmunity bathing practices, combined with a lack of running
water, complicated the problem of daily exposure t...y, that sounds like a good idea, if you have fresh running
water, but there is no running
water at Qumran, only runoff which was collected during the three mon...
Specter of possible harm threatens nanotech development, experts say
...hem," Maynard and his co-authors write. "We are running
out of time to 'get it right.' Last year, more than $32 billion in products containing nano-materials were sold globally. By 2014, Lux Research estimates that $2.6 trillion in manufactured goods will incorporate nanotechnology," asserts Maynard. "If ...
News tips from the Journal of Neuroscience
...d calcium in response to local stimulation without running
dry, as the dendrite stores were rapidly refreshed from reservoirs in the cell body. 2. Nogo and Axonal Growth Revisited William B. J. Cafferty and Stephen M. Strittmatter Several molecules associated with myelin sheaths can keep damaged axons fr...
Self-assembling nano-ice discovered at UNL -- Structure resembles DNA
... Zeng and his colleagues achieved their results by running
four series of molecular dynamics simulations on PrairieFire and Department of Chemistry computers, using simulated carbon nanotubes ranging in diameter from 1.35 to 1.9 nanometers. They used Earth-like temperatures ranging from 117 degrees Fahrenhei...
A window on the environment from Tahoe to the ocean
...he sea and land, such as migrating birds or salmon running
upriver, may change in numbers or behavior -- changing how nutrients move around. Cold upwelling water generates clouds and fog that move inland, carrying water and trapping carbon dioxide and tiny particles in the air. Researchers want to understa...
Researchers find biological clock for smell in mice
...to be one of those biological clocks that can keep running
itself for a long time, even without the SCN," Herzog said. Results were published in the Nov. 22, 2006, issue of the Journal of Neuroscience. Herzog and collaborators Daniel Granados-Fuentes, Ph.D., Washington University postdoctoral researcher, ...
New neurons could act to alleviate epilepsy
...w neurons generated in rats allowed to exercise by running
on a wheel with those in rats in which epileptic s...ileptic environment, compared to the physiological running
environment, showed reduced excitatory connectivity to other neurons, as well as increased inhibitor...
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