To the ranks of horses, donkeys, camels and other animals that have served humanity as pack animals or beasts of burden, scientists are now enlisting bacteria to ferry nano-medicine cargos throughout the human body. They reported on progress in developing these "backpacking" bacteria - so small that...
Last month was the warmest March on record across half of the United States with summer-like temperatures providing some welcome news to the country's farmers and clothing retailers, a weather expert said.
This year's frenzy of oil and gas exploration in newly accessible Arctic waters could be the harbinger of even starker changes to come.
The color and scent of flowers and their perception by pollinator insects are believed to have evolved in the course of mutual adaptation. However, an evolutionary biologist from the University of Zurich has now proved that this is not the case with the arum family at least, which evolved its scent ...
This week the second planet from the sun will pass directly in front of the Pleiades star cluster. It's a rare sunset conjunction that's easy to find with the unaided eye, but best seen through binoculars or a small telescope.
A team of University of Pittsburgh mathematicians is using computational models to better understand how the structure of neural variability relates to such functions as short-term memory and decision making. In a paper published online April 2 in Proceedings of the National Academy of Sciences (PNA...
The surveyed women spend an average of 81 minutes per day on Facebook, whereas men spend 64 minutes. Low educated groups and low income groups who spend more time on Facebook also report feeling less happy and less content with their lives. This relationship between time spent on Facebook and well-b...
Women having children at older ages and the growing availability of fertility treatments has led to a marked increase in the birth of twins: In 2009, one in every 30 babies born in the United States was a twin compared with one in every 53 in 1980.
You've been experiencing severe back pain and weakness in your right leg. Your doctor orders a spinal MRI to help determine the cause. The radiology report diagnoses cancer.
The world's most popular weed killer, Roundup®, can cause amphibians to change shape, according to research published today in Ecological Applications.
A new study suggests that social and communication skills in some kids with autism may improve over time with therapy, but other kids will continue having problems functioning as they get older.
There's more to the cosmos than meets the eye. About 80 percent of the matter in the universe is invisible to telescopes, yet its gravitational influence is manifest in the orbital speeds of stars around galaxies and in the motions of clusters of galaxies. Yet, despite decades of effort, no one know...