Extinctions happened in periodic cycles in Earth's history but approximately 250 million years ago vast numbers of species disappeared from Earth and life changed from simple to complex. According…

Thanks to Barry Bunin of Collaborative Drug Discovery, we now have a collaborator who will run assays on the compounds from our CombiUgi project. We'll be using our account on CDD to manage the…

Estrogen plays an important role in determining how sensitive a person is to pain, and the estrogen receptor known as ER-beta is particularly significant in this context. These are the conclusions of…

Following World War II, the U.S. began increasing its commitment to publicly-funded science. The responsibility of the scientist was thought to be a straightforward process: if the scientists asked…

"It's hard finding the perfect woman," my friend Jack said to me. "What do you mean?" I asked. "Do you want to borrow my copy of Poison Ivy: The New Seduction?" "No, no, we all know why you never…

The space shuttle Endeavour and its seven-member crew lifted off at 6:36 p.m. EDT Wednesday from NASA's Kennedy Space Center in Florida. The astronauts are on their way to the International Space…

Which genes are passed on from mother to child is decided very early on during the maturation of the egg cell in the ovary. In a cell division process that is unique to egg cells, half of the…

Oregon Health & Science University researchers have figured out how to turn a mouse into a factory for human liver cells that can be used to test how pharmaceuticals are metabolized. The…

A new WWF study tracking pygmy elephants by satellite shows that the remaining herds of these endangered elephants, which live only on the island of Borneo, are under threat from forest fragmentation…

Most people think of Sir Isaac Newton as the father of gravity but he also created one of the earliest observations of interference in his “dusty mirror” experiment. In a darkened room, he used a…

Even small fossils, such as bones from the hand or foot can tell us much about our ancestor’s and their behavior. Such may be the case with an ape that lived more than nine million years ago. A…

Rethinking human evolution

The long-term risk of suicide is tripled for women who have undergone cosmetic breast implant surgery, according to a new study led by Loren Lipworth, Sc.D., of the International Epidemiology…

While cardiovascular disease occurs in both men and women, it does not affect them in the same way. Risk factors and protective factors for heart diseases are likewise unequal. The molecular…

Women have a “female advantage” when it comes to chronic kidney disease. When compared to men, they have fewer and less severe episodes of this disorder throughout most of their lives. That advantage…

Is something better than nothing while society adjusts to the impact of pollution and climate change? Or is a "band-aid" approach just making people feel better and wasting time? It depends on which…

Jenna Rickus, assistant professor of biomedical engineering at Purdue, has developed a "living electrode" coated with specially engineered neurons that, when stimulated, releases a neurotransmitter…

Traditional plow-based agricultural methods and the need to feed a rapidly growing world population are combining to deplete the Earth's soil supply, a new study confirms. In fact, long-established…

The emerging threat of pesticide resistance means that biological malaria control methods are once again in vogue. New research published in the online open access journal BMC Public Health shows how…

Many common diseases exhibit gender bias and gender differences have been observed in the development of high blood pressure (hypertension) and heart (cardiovascular) disease. Previous studies have…