Latest science news in Biology & Nature
New insights into the physiology of cockroaches
Scientists have shed new light on how the cockroach organism works. They have shown why the German cockroach (Blatella germanica) eliminates excess nitrogen by excreting ammonia, in contrast to most...
No-entry zones for AIDS virus
The AIDS virus inserts its genetic material into the genome of the infected cell. Scientists have now shown for the first time that the virus almost entirely spares particular sites...
Dopamine enhances expectation of pleasure in humans
Enhancing the effects of the brain chemical dopamine influences how people make life choices by affecting expectations of pleasure, according to new research from the UCL Institute of Neurology...
Longevity tied to genes that preserve tips of chromosomes
Scientists have found a clear link between living to 100 and inheriting a hyperactive version of an enzyme that rebuilds telomeres -- the tip ends of chromosomes.
Long toes may give sprinters more speed
Sprinters with long toes and short heel bones could have an advantage over other runners, research suggests.
Scientists Solve Structure Of NMDA Receptor Unit That Could Be Drug Target For Neurological Diseases
Scientists report success in solving the molecular structure of a key portion of a cellular receptor implicated in Alzheimer's, Parkinson's and other serious illnesses.
India to move all zoo elephants to wildlife parks
All elephants living in Indian zoos and circuses will be moved to wildlife parks and game sanctuaries where the animals can graze more freely, officials said Friday. ...
Sweet as can be: How E. coli gets ahead
Scientists at the University of York have discovered how certain bacteria such as Escherichia coli have evolved to capture rare sugars from their environment giving them an evolutionary advantage in...
Shape of things to come: Structure of HIV coat could lead to new drugs
Structural biologists at the University of Pittsburgh School of Medicine have described the architecture of the complex of protein units that make up the coat surrounding the HIV genome and...
New paper describes connections between Circadian and metabolic systems
A paper by University of Notre Dame biologist Giles Duffield and a team of researchers offers new insights into a gene that plays a key role in modulating the...
New microscope used to biopsy brain tumors
PHOENIX, Nov. 12 (UPI) -- U.S. scientists say they have developed a miniature, hand-held microscope that may allow more precise removal of brain tumors.
Study uncovers fruit fly metabolism gene
BONN, Germany, Nov. 12 (UPI) -- German scientists say they have discovered a new fruit fly gene that directs the metabolism of fat.
Power cut during heat wave shuts Australian zoo
The beavers took cover in their underwater lodges, but hundreds of other animals were left seeking shade or a cooling breeze Thursday when a power outage hit an Australian zoo...
Super-sniffing bees combat colony pest
In an effort to stem a massive bee die-off, government scientists have developed a population of honeybees that can root out a main culprit in the epidemic. ...
California Academy of Sciences becomes first aquarium in US to breed dwarf cuttlefish
Anchored to an algae-covered rock in a 120-gallon tank at the California Academy of Sciences' Steinhart Aquarium, a cluster of inky-colored cuttlefish eggs is beginning to swell -evidence of success...
Environmental impact of cocaine strategy assessed
Studies measure effects of glyphosate-based herbicide on wildlife and human health.
National Briefing | Environment: Pelican Removed from Endangered List
Interior Department officials are taking the brown pelican off the endangered species list, after a nearly four-decade struggle to keep the bird’s population afloat.
Carbonic acid captured
Researchers have caught a rare glimpse of carbonic acid – and it turns out to be much more acidic than the textbooks say
Bird "Sings" Through Feathers
Solving a longstanding puzzle among bird experts, scientists have found that the sharp, violin-like sounds of a South American songbird come not from the beak but from a suite of...
Fowl Line
The U.S.-Mexico fence protects the border but could endanger animals A trio of turkeys peacefully gobbles cornmeal on a cattle ranch in northern Mexico. But a fence may cut off the chuckwagon. Last...
Can A Plant Be Altruistic?
Although plants have the ability to sense and respond to other plants, their ability to recognize kin and act altruistically has been the subject of few studies. A new study...
High fat diet increases inflammation in the mouse colon
(PhysOrg.com) -- In mice fed a diet high in fat and low in fiber, vitamin D and calcium -- the so-called Western diet -- expression of a series of genes...
Explained: RNA interference
Every high school biology student learns the basics of how genes are expressed: DNA, the cell`s master information keeper, is copied into messenger RNA, which carries protein-building instructions to the...
Frenzied bees enter deadly combat
Male Dawson's bees kill each other en mass in a bid to mate with females, a bloody battle filmed by a BBC natural history team.
Iowa State engineers develop 3-D software to give doctors, students a view inside the body
James Oliver picked up an Xbox game controller, looked up to a video screen and used the device's buttons and joystick to fly through a patient's chest cavity for an...
*outdated"new"scientific discoveries and what they did and helped me to discover in my mind*
i can understand what i am taught or shown that has already been explained in most cases,but somethings i cannot find the answer to!
Microbial menagerie: Junk food binge alters community of microbes in the gut in less than a day
(PhysOrg.com) -- Switching from a low-fat, plant-based diet to one high in fat and sugar alters the collection of microbes living in the gut in less than a day, with...
Mucosal immune mechanism identified
YOKOHAMA, Japan, Nov. 11 (UPI) -- Japanese scientists say they've discovered how specialized mucosal cells in the intestine identify, capture and destroy germs that make people sick.