Biology news
Infectious disease may have shaped human origins, study says
An international team of researchers, led by scientists at the University of California, San Diego School of Medicine, suggest that inactivation of two specific genes related to the immune system may have ...
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Reign of the giant insects ended with the evolution of birds, study finds
Giant insects ruled the prehistoric skies during periods when Earth's atmosphere was rich in oxygen. Then came the birds. After the evolution of birds about 150 million years ago, insects got smaller despite rising oxygen ...
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Mechanism for regulating plant oil production identified
Scientists at the U.S. Department of Energy's Brookhaven National Laboratory have identified key elements in the biochemical mechanism plants use to limit the production of fatty acids. The results suggest ways scientists ...
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How mosquitoes fly in rain? Thanks to low mass
Even though a single raindrop can weigh 50 times more than a mosquito, the insect is still able to fly through a downpour. Georgia Tech researchers used high-speed videography to see how the mosquito's strong ...
5 hours ago |
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Molecular algebra in mammalian cells
(Phys.org) -- Mammalian cells can now do what an electronic calculator can: perform logical calculations. Swiss researchers have equipped cells with a complex genetic network that can do more than just one ...
13 hours ago |
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First genome-wide assessment of secretion in human cells
(Phys.org) -- An international collaboration between scientists in University College Dublin and the European Molecular Biology Laboratory (EMBL) has revealed for the first time that 15% of the proteins encoded ...
13 hours ago |
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Solved: Two of the historic riddles of horse racing
(Phys.org) -- A team of researchers examining DNA extracted from the skeletons of historic horses in order to throw light on the origin of diseases found in modern horses have, in the course of their work, solved some of ...
13 hours ago |
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Spider invasion spooks Indian village
Panicked villagers in a remote Indian state complained Monday of an invasion of giant venomous spiders that resemble tarantulas but are unknown to local specialists.
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'Most comprehensive' genetic analysis of maize plant will help raise yields, expand its range
An international research team involving 17 institutions including Cold Spring Harbor Laboratory has published the most comprehensive analysis to date of the maize genome. It is an achievement that substantially increases sc ...
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Filming life in the fast lane
New microscope enabled scientists at EMBL Heidelberg to film a fruit fly embryo, in 3D, from when it was about two-and-a-half hours old until it walked away from the microscope as a larva.
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Knowing yeast genome produces better wine
The yeast Dekkera bruxellensis plays an important role in the production of wine, as it can have either a positive or a negative impact on the taste. Researchers at Lund University in Sweden, among others, have analyzed the ye ...
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Shape-shifting shell: Structure of a retrovirus at a potentially vulnerable stage
Scientists at the European Molecular Biology Laboratory (EMBL) in Heidelberg, Germany, have for the first time uncovered the detailed structure of the shell that surrounds the genetic material of retroviruses, ...
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Eastern bettongs bounce back
(Phys.org) -- The release of Eastern bettongs from Tasmania into the ACT’s predator-proof sanctuary at Mulligans Flat Nature Reserve last week, could be the key to help recover endangered Box Gum grassy ...
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Clarification of unique communication channel with possible role in tumor
Guido David, associated with VIB and KU Leuven, and Pascale Zimmermann have discovered a new mechanism for the formation of exosomes, small vesicles with a role in tumor development. This research has been published in the ...
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Bug-bomb foggers are no match for bed bugs
Consumer products known as "bug bombs" or "foggers" have been sold for decades for use against many common household insects. However, recent research published in the Journal of Economic Entomology (JEE) shows these produc ...
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Friction almost vanishes in microscale graphite
12 hours ago |
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Scientists take steps toward creating artificial graphene
May 29, 2012 |
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Country cousins: Climate connections and land urbanization dynamics
May 28, 2012 |
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Is a classical electrodynamics law incompatible with special relativity?
May 24, 2012 |
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Good vibes: Coupling electron spin states and carbon nanotube vibrations
May 23, 2012 |
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More News
Keeping up with embryogenesis: New microscope lets users track individual cells as they move, divide
(Medical Xpress) -- The transformation of a fertilized egg into a functioning animal requires thousands of cell divisions and intricate rearrangements of those cells. That process is captured with unprecedented ...
Larger refuges needed to sustain success of transgenic corn
Transgenic crops that produce insect-killing proteins from the bacterium Bacillus thuringiensis (Bt) have reduced reliance on insecticide sprays since 1996. Yet, just as insects become resistant to conventional insecticides, they a ...
Researchers complete most comprehensive genetic analysis yet of corn
An interdisciplinary team, led by researchers at Cornell University and the U.S. Department of Agriculture-Agricultural Research Service (USDA-ARS), today published the most comprehensive analysis to date ...
Maize diversity discoveries may help ease world's hunger pangs
Researchers at the University of California, Davis, report that ancient farmers had a stronger impact on the evolution of maize, or corn, than modern plant breeders have had on the grain — now one of the world's top ...
From yeast, researchers learn how populations collapse
In the early 1990s, overfishing led to the collapse of one of the most bountiful cod fisheries in the world, off the coast of Newfoundland. Twenty years later, the cod population still has not recovered, dramatically ...
Other News
Human hands leave prominent ecological footprints
Early human activity has left a greater footprint on today's ecosystem than previously thought, say researchers working at the University of Pittsburgh and in the multidisciplinary Long Term Ecological Research (LTER) Network, ...
Rare white horse prancing around in his own special genes
There was no hanky-panky involved when a fairy-tale white foal was born to two brown Standardbreds at the Four Winds Farm in New Jersey. DNA tests confirm that the snowy foal, born May 6, is a mutant, but that's nothing to ...
Computer-designed proteins programmed to disarm variety of flu viruses
Computer-designed proteins are under construction to fight the flu. Researchers are demonstrating that proteins found in nature, but that do not normally bind the flu, can be engineered to act as broad-spectrum ...
Scientists map and sequence genome of switchgrass relative foxtail millet
A newly published genetic sequence and map of foxtail millet, a close relative of switchgrass and an important food crop in Asia, is giving scientists working to increase biofuel and crop yields a powerful new tool.
Some butterfly species particularly vulnerable to climate change: study
A recent study of the impact of climate change on butterflies suggests that some species might adapt much better than others, with implications for the pollination and herbivory associated with these and other ...
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