admin April 2, 2018

The remains of what is likely a juvenile T. rex were discovered in Montana’s Hell Creek formation.   Paleontologists digging in Montana have hit the dinosaur jackpot. They’ve uncovered what appears to be an elementary-school-age Tyrannosaurus rex, they announced Thursday (March 29). The researchers found the fearsome beast’s remains in Montana’s famous Hell Creek formation, a rocky expanse […]

admin April 2, 2018

Vaped liquids produce gases that can damage and kill human cells Liquids for electronic cigarettes come in a variety of flavors — with and without nicotine. A new study finds that vapors from even those without nicotine can still poison cells. Think electronic cigarettes without nicotine are harmless? Think again. A new study shows that the flavorings […]

admin April 2, 2018

Study indicates that age 25 would be better than younger ages for a single HIV screening test among those without symptoms Summary: A new study suggests that the most beneficial age for a one-time screening HIV test of the general population would be age 25. A new study suggests that the most beneficial age for […]

admin April 2, 2018

Summary: Researchers report writing about past failures can lower the stress response and enhance performance when faced with a new stressful task. Insights from past failures can help boost performance on a new task — and a new study is the first to explain why. US researchers report that writing critically about past setbacks leads […]

admin April 2, 2018

WASHINGTON — A NASA investigation into a 2015 SpaceX launch failure concluded a design flaw, rather than a manufacturing defect, likely initiated the chain of events that destroyed the vehicle. NASA released March 12 a public summary of the report by an independent review team convened by NASA after the June 2015 accident during the launch of […]

admin March 31, 2018

One-third of species are vulnerable to extinction, a crisis ravaging swaths of creatures, conservationists say in call to fund recovery plans An extinction crisis is rippling though America’s wildlife, with scores of species at risk of being wiped out unless recovery plans start to receive sufficient funding, conservationists have warned. One-third of species in the […]

admin March 31, 2018

THE WOODLANDS, TEXAS—​A last-ditch remedy for a climate disaster might be waiting in your kitchen. If efforts to control greenhouse gases fail, finely powdered salt spread through the upper troposphere could hold off the sun’s rays and cool the planet, researchers reported here today at the Lunar and Planetary Science Conference. The approach could be […]

admin March 31, 2018

Some European cave paintings are older than previously thought, implying that Neanderthals might have been their creators rather than Homo sapiens. It’s not yet certain, but some of the earliest paintings that were dated raise interesting questions, including whether Neanderthals were painters. At a press conference on June 13th, archaeologist João Zilhão stated that it wouldn’t […]

admin March 31, 2018

It was the guano that gave the birds away On an expedition to an icy island chain off the Antarctic Peninsula’s northern tip, researchers discovered a massive supercolony of more than 1.5 million Adélie penguins, according to a study published March 2 in Scientific Reports. Scientists had known of an Adélie penguin colony (Pygoscelis adeliae) in these […]

admin March 31, 2018

The ability to edit RNA and individual DNA base pairs will make gene editing much more precise. CRISPR-Cas9 can still be a blunt instrument for gene editing. Scientists have discovered two new tools that will make editing more precise and potentially, safer. Several years ago, scientists discovered a technique known as CRISPR/Cas9, which allowed them to […]