Light receptors in eye play key role in setting biological clock August 15, 2008 | User rating: not shown ( 4 vote(s) ) | No comments yet
Biologists at the University of Virginia have discovered a switching mechanism in the eye that plays a key role in regulating the sleep/wake cycles in mammals. | |
Researchers discover technology that silences genes August 18, 2008 | User rating: 4.9 / 5 after 28 vote(s)
| User comments: 2
Mount Sinai researchers have developed a new gene silencing technology that could be used to target genes that can lead to the development of certain diseases. This technology could pave the way for preventing diseases where ... | |
![]() Future impact of global warming is worse when grazing animals are considered, scientists suggest August 18, 2008 | User rating: 5 / 5 after 5 vote(s)
| User comments: 3
The impact of global warming in the Arctic may differ from the predictions of computer models of the region, according to a pair of Penn State biologists. The team -- which includes Eric Post, a Penn State ... | |
Newly discovered monkey is threatened with extinction July 28, 2008 | User rating: 3.8 / 5 after 5 vote(s)
| No comments yet
Just three years after it was discovered, a new species of monkey is threatened with extinction according to the Wildlife Conservation Society, which recently published the first-ever census of the endangered primate. Known ... | |
Survival of the fittest: even cancer cells follow the laws of evolution August 01, 2008 | User rating: 4.6 / 5 after 14 vote(s)
| User comments: 1
Scientists from The Institute of Advanced Studies at Princeton and the University of California discovered that the underlying process in tumor formation is the same as for life itself—evolution. After analyzing a half million ... | |
Scientists show how DNA repairs may reshape the genome August 13, 2008 | User rating: 5 / 5 after 6 vote(s)
| No comments yet
Researchers at Duke University Medical Center and at the National Institute of Environmental Health Sciences (NIEHS) have shown how broken sections of chromosomes can recombine to change genomes and spawn new species. | |
New bacterial species found in human mouth August 11, 2008 | User rating: 4.4 / 5 after 14 vote(s)
| User comments: 4
Scientists have discovered a new species of bacteria in the mouth. The finding could help scientists to understand tooth decay and gum disease and may lead to better treatments, according to research published in the August ... | |
![]() Engineer Taps Heat-Loving Bacteria for Hydrogen July 30, 2008 | User rating: 4.4 / 5 after 5 vote(s)
| No comments yet
A North Carolina State University engineer has been awarded a $1.6 million grant from the U.S. Department of Energy to learn more about the microbiology, genetics and genomics behind how and why heat-loving ... | |
![]() Trees, forests and the Eiffel tower reveal theory of design in nature August 14, 2008 | User rating: 4.2 / 5 after 19 vote(s)
| User comments: 3
What do a tree and the Eiffel Tower have in common? According to a Duke University engineer, both are optimized for flow. In the case of trees, the flow is of water from the ground throughout the trunk, branches ... | |
![]() New report details historic mass extinction of amphibians August 11, 2008 | User rating: 4.4 / 5 after 19 vote(s)
| User comments: 1
Amphibians, reigning survivors of past mass extinctions, are sending a clear, unequivocal signal that something is wrong, as their extinction rates rise to unprecedented levels, according to a paper published ... | |
Actions of individuals key to saving biodiversity-and ourselves August 11, 2008 | User rating: 4.1 / 5 after 9 vote(s)
| No comments yet
Even if you don't like the outdoors, you're probably pretty fond of air, clean water and food. That makes you a fan of biodiversity, because those essentials for life-human and otherwise-are maintained as a direct result ... | |
Fear of predators may be a bigger killer than the predators themselves August 19, 2008 | User rating: 4.6 / 5 after 5 vote(s)
| No comments yet
(PhysOrg.com) -- When biologists consider the effects that predators have on their prey, they shouldn’t just count the number of individuals consumed. According to a University of Rhode Island ecologist, they must also examine ... | |
![]() UNH researchers tag first-ever free-swimming leatherback turtles in New England July 31, 2008 | User rating: not shown ( 2 vote(s) ) | No comments yet
University of New Hampshire researchers have tagged one male and two female leatherback turtles off Cape Cod. They are the first free-swimming leatherbacks ever tagged in New England. | |
Bacteria reveal secret of adaptation at Evolution Canyon July 28, 2008 | User rating: 4.8 / 5 after 8 vote(s)
| No comments yet
Bacteria living on opposite sides of a canyon have evolved to cope with different temperatures by altering the make-up of their 'skin', or cell membranes. Scientists have found that bacteria change these complex and important ... | |
![]() Dinosaurrific! New Dinosaur Supertree July 23, 2008 | User rating: 4.4 / 5 after 9 vote(s)
| No comments yet
(PhysOrg.com) -- It has long been debated whether dinosaurs were part of the ‘Terrestrial Revolution’ that occurred some 100 million years ago during the Cretaceous when birds, mammals, flowering plants, insects ... | |
PhysOrg Video
- The Corn Controversy: Food or Fuel - video , August 20
- Police in India Aim to Head Off Cyber Crime - video , August 19
- Science of Origami - video , August 18
- Measuring Lightning - video , August 18
- Man-Made Hurricanes - video , August 18
- NASA Saving Lives - video , August 18
- PhysOrg Video »
Most popular stories
-
Hackers hacked at infamous DefCon gathering,
August 12, 2008

-
Robot with a Biological Brain: new research provides insights into how the brain works,
August 13, 2008

-
Intel's new chip to be called Core i7,
August 11, 2008

-
Physicists Seek Answers to Quantum Correlations,
August 14, 2008

-
Evolution as Described by the Second Law of Thermodynamics,
August 11, 2008

- Most popular »
News Pix
-
hES Cells on Matrigel Alone,
August 20, 2008
-
Large Hadron Collide,
August 19, 2008
-
Rifamycin antibiotics attack tuberculosis bacteria with walls, not signals,
August 19, 2008
-
The M2-F1: 'Look Ma! No Wings!',
August 19, 2008
- More news pix »







PhysOrg Forum
Video
Editorials
Free Magazines
Free White Papers
PhysOrg Jobs
Newsletter
Goto Archive
Suggest a story idea
Send feedback
