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A material that mimics shark skin, covered with tiny ridges and groves, may help reduce the spread of bacteria in hospitals, a new study suggests.
Each tree species has its own bacterial identity. That's the conclusion of University of Oregon researchers and colleagues from other institutions who studied the genetic fingerprints of bacteria on 57 species of trees growing on a Panamanian island.
A microbe developed to clean up nuclear waste and patented by a Michigan State University researcher has just been improved.
Oxytricha trifallax lives in ponds all over the world. Under an electron microscope it looks like a football adorned with tassels. The tiny fringes are the cilia it uses to move around and gobble up algae. What makes Oxytricha unusual, however, is the crazy things it does with its DNA.
As drugs - both legal and illegal - pass through us, they enter the UK's waterways. But can this really lead to a change in the feeding habits, and even the sex, of wildlife?
Related: Should We All Take a Bit of Lithium?
Artificial sweeteners may contribute to soaring levels of diabetes, according to a controversial study that suggests the additives could exacerbate the problem they are meant to tackle.
Related: Sugar substitutes linked to obesity
A new study reveals that people find the smell of others with similar political opinions to be attractive, suggesting that one of the reasons why so many spouses share similar political views is because they were initially and subconsciously attracted to each other's body odor.
You may fool others, but it is hard to fool yourself
Drug and alcohol use among America's teens continues to trend downward, according to new numbers released today by the Department of Health and Human Services. From 2002 to 2013, the average American teenager's odds of regular (at least monthly) tobacco use nearly halved. Recreational use of prescription painkillers saw a similar decline.
Music has chemistry, both in maintaining friendships and helping us forge new ones. But science is still pretty far behind in understanding music’s power to create social bonds. “To this day, it hasn’t struck people that there must have been tremendous evolutionary pressure for music,” said Petr Janata, a psychologist who studies music and the brain at UC Davis. But this doesn’t mean we are completely without answers. Since at least the late ’80s, researchers have been studying how music affects peoples’ social lives.
From bug eyes to aquiline noses, square jaws to chin dimples, no two faces are alike. That diversity may have evolved to make it easier to recognize other people, researchers reported on Tuesday.
Related: Human faces are so variable because we evolved to look unique
The modern European gene pool was formed when three ancient populations mixed within the last 7,000 years, Nature journal reports.
Scientists believe that some 4,000 years ago children as young as 10 wrecked their eyesight embellishing weapons and jewellery with minute scraps of gold, creating dazzling pieces so fine that the detail can barely be picked out with the naked eye. They were some of the best prehistoric metal work ever found in Britain.
A lunar-crescent-shaped stone monument that dates back around 5,000 years has been identified in Israel.
Less than an hour's drive from the heart of Mexico City lies the expansive ruins of Teotihuacan, a massive city of nearly 120,000 people who built pyramids, temples and palaces before disappearing around 650 A.D.
Related: Ancient People of Teotihuacan Drank Milky Alcohol, Pottery Suggests
Genetic engineering lags behind conventional breeding in efforts to create drought-resistant maize.
Earthworm presence in the soil increases crop yield, shows a new study that was published this week in Scientific Reports. "This is not unexpected," says Jan Willem van Groenigen, associate professor in the Soil Biology group of Wageningen University, and lead author of the study. "People have known for millennia that earthworms can be good for plant growth. However, we did not know how strong this effect is, nor how it works. That is what we studied."
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