Latest science news in Biology & Nature
Ego City: Cities Are Organized Like Human Brains
Cities are organized like brains, and the evolution of cities mirrors the evolution of human and animal brains, according to a new study.
Salmon migration mystery explored on Idaho's Clearwater River
Temperature differences and slow-moving water at the confluence of the Clearwater and Snake rivers in Idaho might delay the migration of threatened juvenile salmon and allow them to grow larger...
Yes-associated protein: Early diagnosis of gastric carcinoma
Yes-associated protein (YAP) is a type of cellular adaptor protein and transcriptional co-activator. In recent years, some investigators have found YAP to be overexpressed and highly activated in hepatic cancers...
HBV genotype B/B3 and C/C1 are the major genotypes in Indonesia?
Previous studies revealed that HBV genotypes as well as mutations in the core promoter, precore or HBx gene have been shown to have an association with the clinical outcome of...
New Antituberculosis Compounds Discovered
Attempts to eradicate tuberculosis are stymied by the fact that the disease-causing bacteria have a sophisticated mechanism for surviving dormant in infected cells. Now, scientists have identified compounds that inhibit...
New evidence that green tea may help improve bone health
Researchers in Hong Kong are reporting new evidence that green tea - one of the most popular beverages consumed worldwide and now available as a dietary supplement -...
Genes, not environment determined sex of sea reptiles in past
Ancient sea reptiles gave birth to live offspring, rather than lay eggs like their modern counterparts, and their genes, not their environment, determined the offspring's sex, researchers in the U.S....
Study of isolated snakes could help shed light on venom composition
While studying a way to more safely and effectively collect snake venom, University of Florida researchers have noticed the venom delivered by an isolated population of Florida cottonmouth snakes may...
Pesky fruit flies learn from experienced females
A common household nuisance, the fruit fly, is capable of intricate social learning much like that used by humans, according to new research from McMaster University...
Elusive golden cat caught on film
Extremely rare photographs are taken of one of Africa's most elusive cats, with a surprise conclusion.
Reactive oxygen's role in metastasis
Researchers at the Burnham Institute for Medical Research (Burnham) have discovered that reactive oxygen species, such as superoxide and hydrogen peroxide, play a key role in forming invadopodia, cellular protrusions...
Last Letter of Mary Queen of Scots Goes on Display
Last letter of Mary Queen of Scots goes on display.
Cutting and pasting with the human genome
A DNA cutting tool that can manipulate human genomic DNA could find use in gene therapy, say Japanese scientists
Nanotech coming to Australia
Australia is getting a device that can etch a novel on a pin-head – and work on a new technologies in half a dozen disciplines.
Crazy ants invade San Antonio
SAN ANTONIO, Sept. 16 (UPI) -- San Antonio is trying to deal with a tiny invader that can cause big problems, the "crazy ant."
How clean is your showerhead?
Showerheads can harbour harmful germs, scientists have discovered. TV cleaning expert Aggie Mackenzie offers her top tips on cleaning them
Peru to investigate the entry of illegal GM crops
Authorities are to investigate whether genetically modified corn has been grown in Peru and will announce new biosafety legislation in 30 days.
Video: Seal of Approval
A playful Hawaiian seal is loved by many, but he eventually could turn dangerous as he continues to grow. As John Blackstone reports, a wildlife rescue team is hoping this...
As Ash Borer Claims More Trees, Researcher Works For Species Survival
Estimates say more than 70 million ash trees have been destroyed nationally by the emerald ash borer insect. An Iowa researcher is racing the clock to collect seeds from different...
Finding Of Genetic Region Controlling Cardiovascular Sensitivity To Anesthetic Propofol
Researchers have identified the genetic region in rats responsible for cardiovascular collapse during anesthesia. While it is well known that people have different cardiovascular sensitivity to anesthesia causing some to...
Beans' Defenses Mean Bacteria Get Evolutionary Helping Hand
Bean plants' natural defenses against bacterial infections could be unwittingly driving the evolution of more highly pathogenic bacteria, according to new research. The study sheds new light on how bacterial...
Genome Sequencing Reveals Genetic Diversity Of Bacteria That Cause Buruli Ulcer
A new study lays the groundwork for development of a cost-effective tool for studying the population structure and spread of Mycobacterium ulcerans, the causative agent of Buruli ulcer. Researchers have...
What's the Best Single Food to Eat?
There's no good answer to this one, because we humans need a range of nutrients from a variety of foods to be healthy.
Ants in the pants drive away birds
Supercolonies of invasive insects spoil avian picnics on Christmas Island
100-Plus Elephants Killed by Drought
More than a hundred elephants in Kenya have died in the past year, say conservationists, who blame the worst drought in 12 years as well as continued poaching. Video.
Feature: Plastic plants: assessing the threat of weeds with phenotypic plasticity
A plant biology researcher is examining a unique property of invasive plants, one that enables them to adapt to novel environments.
Self-Awareness in Animals
In a recent LiveScience article the following statement was made: "And while metacognition can involve self-awareness, the "I" part of the equation isn't a necessary ingredient, Smith said. Scientists are not...
Gut Ecology In Transplant Patients
A new genomic analysis shows that small-bowel transplant patients with an ileostomy have a very different population of bacteria living in their gut than patients whose ileostomy has been closed.