two closely related bird species, the collared flycatcher and the pied flycatcher, can reproduce with each other, but the females are more strongly attracted to a male of their own species. This has…

Urologists at Thomas Jefferson University Hospital are studying whether a neo-bladder construct grown from a patient’s own cells can improve bladder function for adult spinal cord injury patients.…

In a report this week in Cell, researchers have identified a biological basis for why events that happen during heightened states of emotion such as fear, anger and joy are more memorable than less…

'Word of mouth' advertising is valuable because marketing groups know that opinions of friends and associates count more than the paid endorsements of strangers. But what kind of opinions matter…

I have mixed feelings about the proliferation of the term "Open Notebook Science". I started using the term a year ago to describe our UsefulChem project because it had no hits on Google and so it…

Moving away from home and adapting to a new social environment are just two of the many challenges that new students face as they enter university. An innovative new study conducted at the University…

The theory of loss aversion is used in many contexts to explain why potential loss has a greater mitigating influence on behavior than potential gain. In trading situations, consumers will most…

A tiny galaxy,SDSSJ0737+3216 (lens redshift 0.3223, source redshift 0.5812), nearly halfway across the universe and the smallest in size and mass known to exist at that distance, has been identified…

In 1998, Christie's Auction House of London auctioned off a musty old prayer book for two million dollars.  What they thought was just a prayer book contained Greek inscriptions and accompanying…

In 1998, Christie's Auction House of London auctioned off a musty old prayer book for two million dollars.  What they thought was just a prayer book contained Greek inscriptions and accompanying…

  It was 50 years ago this week that the Russians launched Sputnik, the first man made satellite to orbit the earth. It changed the world.  In fact, there are few, if any events of the last…

Consumers are told that leaving electrical devices in standby mode wastes large amounts of energy and makes a significant contribution to carbon dioxide emissions. Should 'standby mode' be regulated…

People understand the irony of sentences like "I am from the federal government and I am here to help you" yet are comfortable with local initiatives to reduce global warming, even if it means more…

A plant-like micro-organism mostly found in oceans could make the manufacture of products, from iridescent cosmetics, paints and fabrics to credit card holograms, cheaper and ‘greener’. The tiny…

Lubrication oil appears to be an important yet little-recognized source of toxic particle emissions from motor vehicles -- even those fueled by clean-burning hydrogen, according to a joint study by…

A new study published in the October 15 issue of the American Journal of Epidemiology is the first of its kind to evaluate the effect of flavonols on developing pancreatic cancer. The study…

An international team has opened a virtual bazaar, called PAZAR, which allows biologists to share information about gene regulation through individually managed 'boutiques' (data collections).…

Adolescents have grown taller and put on weight over the last thirty years, but the problem of underweight teens may be worse, a study in the online open access journal BMC Public Health suggests.…

Bronchopulmonary Dysplasia (BPD) occurs in 20-40% of infants born below 2.5 lbs. and before 28 weeks of gestation, and means babies still need supplemental oxygen at 36 weeks postmenstrual age. It is…

We are all familiar with raindrops on our wind screens. The small ones stay in place while the big ones roll down the window. This is because surface tension holds the small drops onto the screen…