News tagged with biological

results timeline


Physics rules network dynamics

Physics rules network dynamics

Physics / General Physics

created Dec 11, 2009 | popularity 4.8 / 5 (25) | comments 0

(PhysOrg.com) -- When it comes to the workings of the Web, the brain, or a social network, physics finds universal truths.


Mystery solved: Marine microbe is source of rare nutrient

Mystery Solved: Marine Microbe Is Source of Rare Nutrient

Space & Earth / Earth Sciences

created Sep 29, 2009 | popularity 4.8 / 5 (23) | comments 0

(PhysOrg.com) -- A new study of microscopic marine microbes, called phytoplankton, by researchers at Woods Hole Oceanographic Institution (WHOI) and the University of South Carolina has solved a ten-year-old ...


New pattern in our biological clock overturns long-held theory

Medicine & Health / Research

created Oct 08, 2009 | popularity 4.9 / 5 (22) | comments 4

(PhysOrg.com) -- University of Michigan mathematicians and their British colleagues say they have identified the signal that the brain sends to the rest of the body to control biological rhythms, a finding that overturns ...


Bacteria offer insights into human decision making

Bacteria offer insights into human decision making

Physics / General Physics

created Dec 08, 2009 | popularity 4.6 / 5 (20) | comments 1

(PhysOrg.com) -- Scientists studying how bacteria under stress collectively weigh and initiate different survival strategies say they have gained new insights into how humans make strategic decisions that ...


Like humans, monkeys fall into the 'uncanny valley'

Like humans, monkeys fall into the 'uncanny valley'

Biology / Plants & Animals

created Oct 13, 2009 | popularity 4.4 / 5 (18) | comments 1

(PhysOrg.com) -- Princeton University researchers have come up with a new twist on the mysterious visual phenomenon experienced by humans known as the "uncanny valley." The scientists have found that monkeys ...


'Culture of we' buffers genetic tendency to depression

Medicine & Health / Psychology & Psychiatry

created Oct 27, 2009 | popularity 4.9 / 5 (16) | comments 14

A genetic tendency to depression is much less likely to be realized in a culture centered on collectivistic rather than individualistic values, according to a new Northwestern University study.


Ants more rational than humans

Ants more rational than humans

Biology / Plants & Animals

created Jul 24, 2009 | popularity 4.2 / 5 (18) | comments 9

In a study released online on July 22 in the journal Proceedings of the Royal Society: Biological Sciences, researchers at Arizona State University and Princeton University show that ants can accomplish a task ...


DNA computation gets logical

Nanotechnology / Bio & Medicine

created Aug 03, 2009 | popularity 5 / 5 (12) | comments 5

Biomolecular computers, made of DNA and other biological molecules, only exist today in a few specialized labs, remote from the regular computer user. Nonetheless, Tom Ran and Shai Kaplan, research students in the lab of ...


Marine scientists return from expedition to erupting undersea volcano

Marine scientists find massive volcanic cone, new deep-sea animal species

Space & Earth / Earth Sciences

created May 05, 2009 | popularity 4.6 / 5 (11) | comments 3

Scientists who have just returned from an expedition to an erupting undersea volcano near the Island of Guam report that the volcano appears to be continuously active, has grown considerably in size during ...


Nanoelectronic transistor combined with biological machine could lead to better electronics

Nanoelectronic transistor combined with biological machine could lead to better electronics

Nanotechnology / Nanophysics

created Aug 10, 2009 | popularity 4.6 / 5 (11) | comments 0

(PhysOrg.com) -- If manmade devices could be combined with biological machines, laptops and other electronic devices could get a boost in operating efficiency.


Body's circadian rhythm tightly entwined with blood sugar control

Medicine & Health / Research

created Oct 05, 2009 | popularity 5 / 5 (10) | comments 0

Scientists have long struggled to understand the body's biological clock. Its tick-tock wakes us up, reminds us to eat and tells us when to go to bed. But what sets that circadian rhythm?


First direct observations of biological particles in high-altitude ice clouds

First direct observations of biological particles in high-altitude ice clouds

Space & Earth / Earth Sciences

created May 17, 2009 | popularity 4.3 / 5 (10) | comments 1

A team of UC San Diego-led atmospheric chemistry researchers moved closer to what is considered the "holy grail" of climate change science when it made the first-ever direct detection of biological particles ...


Scientists show that people really walk in circles when lost (w/ Video)

Scientists show that people really walk in circles when lost (w/ Video)

Biology / Other

created Aug 20, 2009 | popularity 4.7 / 5 (9) | comments 13

(PhysOrg.com) -- Scientists in the Multisensory Perception and Action Group at the Max Planck Institute for Biological Cybernetics in Tübingen, Germany, led by Jan Souman and Marc Ernst, have now presented ...


Alzheimer's discovery could bring early diagnosis, treatment closer

Chemistry / Biochemistry

created May 22, 2009 | popularity 5 / 5 (8) | comments 0

(PhysOrg.com) -- A discovery made by researchers at McGill University and the affiliated Lady Davis Research Institute for Medical Research at Montreal's Jewish General Hospital offers new hope for the early diagnosis and ...


The food-energy cellular connection revealed

Medicine & Health / Research

created Oct 15, 2009 | popularity 4.6 / 5 (8) | comments 1

Our body's activity levels fall and rise to the beat of our internal drums—the 24-hour cycles that govern fundamental physiological functions, from sleeping and feeding patterns to the energy available to our cells. Whereas ...