Quantcast
Home » Archives » Science (Page 321)

Scientists: No link between cat parasite and brain cancer

While a study published last year may have given cat owners a jolt by suggesting that there’s a link between cat ownership and brain tumors, a new study says that the connection may have been significantly oversold. Last year, a team of French researchers published a paper in the scientific…

Yale study: Alcohol’s gateway effect much larger than marijuana’s

A Yale study published Tuesday in the Journal of Adolescent Health found that people who used alcohol or tobacco in their youth are almost twice as likely to abuse prescription opiate drugs than those who only used marijuana. Researchers were careful to specify that any youth substance abuse, including just marijuana…

Arctic cap on course for record melt: scientists

The Arctic ice cap is melting at a startlingly rapid rate and may shrink to its smallest-ever level within weeks as the planet’s temperatures rise, US scientists said Tuesday. Researchers at the University of Colorado at Boulder said that the summer ice in the Arctic was already nearing its lowest…

NASA’s Mars rover set for first ‘test drive’

LOS ANGELES — A little more than two weeks after its arrival on Mars, NASA’s Curiosity rover will on Wednesday make its first “test drive” before setting off on its Red Planet mission, the US space agency said. The $2.5 billion rover, which landed on Mars on August 6, has…

Giving babies antibiotics could lead to obesity: study

Giving babies antibiotics before the age of six months could cause them to be chubby children, according to a study published Tuesday. “We typically consider obesity an epidemic grounded in unhealthy diet and exercise, yet increasingly studies suggest it’s more complicated,” said co-author Leonardo Trasande of the New York University…

Fewer circumcisions could cost the U.S. billions: study

As debate rages over the ethics of infant circumcision, a study published Monday said falling rates of the once-routine procedure in the United States could cost billions of dollars in health costs. “We find that each circumcision not performed will lead to $313 of increased expenditures over that lifetime,” said…

NASA wants to measure ‘Marsquakes’

Just 10 days after NASA’s Curiosity rover sent back its first color photos of the Martian landscape, the US space agency said it wants in 2016 to take a better look at what’s happening beneath the Red Planet’s surface. “Does Mars have fault lines like the Earth does? How extensive…

Ancient skull discovery pushes back clock on early human migration

CHICAGO — An ancient skull discovered in a cave in Laos has pushed back the clock on human migration to Southeast Asia by as much as 20,000 years, a study published Monday has found. The skull discovered in the Annamite Mountains in northern Laos is the oldest modern human fossil…

Curiosity rover zaps Mars rock with rapid-fire laser

Mars rover Curiosity zaps ‘Coronation’ rock with rapid-fire laser (+video) (via The Christian Science Monitor) NASA’s Mars rover Curiosity has zapped its first rock in what scientists elatedly declare a successful test of ChemCam, a laser-and-telescope combo designed to uncover the chemical composition of rocks on the Red Planet. The…

Study finds microbes manipulate your mind

“The thought of parasites preying on your body or brain very likely sends shivers down your spine. Perhaps you imagine insectoid creatures bursting from stomachs or a malevolent force controlling your actions. These visions are not just the night terrors of science-fiction writers—the natural world is replete with such examples.…

Google+