Researchers writing in BMC Infectious Diseases say their numerical model of influenza transmission and treatment suggests that if a H1N1 Swine Flu pandemic behaves like the 1918 flu, antiviral…

Depressed people may prefer the dark but it won't be a good thing for their cognitive abilities, say researchers writing in Environmental Health. They  used weather data from NASA satellites to…

Superman's X-ray vision may be closer than you think.   The tubes that power X-ray machines are shrinking and also improving in clarity. A team of nanomaterial scientists, medical physicists,…

Most people learn more quickly if they are rewarded for making correct decisions but little is understood about how rewards facilitate the learning process. Studies have shown that if a decision…

Researchers say they directly convert spermatogonial stem cells, the precursors of sperm cells, into tissues of the prostate, skin and uterus, an effective alternative to the medical use of embryonic…

Scientists may be closer to understanding how to grow replacement bones with stem cell technology.  Many scientists are trying to create bone-like materials derived from stem cells to implant…

Nearly all species have some ability to detect light and at least three types of cells in the retina allow us to see images or distinguish between night and day. Now, researchers at the Johns Hopkins…

The tough editorial decision was behind us; the die had been cast.  Pre-prints of the controversial article and its invited rejoinder appeared on the publisher’s web site. …

The phenomenon of Brownian motion (after botanist Robert Brown, who discovered it 1828) was described by Albert Einstein in 1905, when he published his statistical molecular theory of liquids.…

Pterosaurs, the mighty winged-lizards, soared ancient skies expertly hunting for prey. Because they evolved from reptiles prior to modern birds, it was once believed that pterosaurs were…