Thursday, March 18, 2010

Science

Toy poodle to bull mastiff, dogs genetically linked to Mideast wolf: study

TORONTO — It’s hard to imagine when looking at Rex the lumbering St. Bernard and Fifi the frou-frou toy poodle, but it appears most breeds of domesticated dogs can trace their ancestry to the same source — the Middle Eastern grey wolf.

Varroa mites are main culprit in death of Ontario bees: Guelph study

TORONTO — The varroa mite is emerging as the leading culprit in the death of honey-producing insects in Ontario, say researchers who were as busy as bees for three seasons gathering data from more than 400 colonies.

Researchers: Fewer shark attacks reported in the US in 2009; Fla. also saw sharp decline

ST. PETERSBURG, Fla. — Good news for beachgoers: The number of shark attacks in the United States has declined, according to a University of Florida report released Monday.

DNA studies show a frail King Tut succumbed to malaria and a broken leg

CAIRO, Egypt — Egypt’s famed King Tutankhamun suffered from a cleft palate and club foot, likely forcing him to walk with a cane, and died from complications from a broken leg exacerbated by malaria, according to the most extensive study ever of his mummy.

Doctors embracing literature as tool to better connect with their patients

Doctors, nurses and other health-care workers are tapping into their inner Tolstoys to better connect with patients.
With increasing regularity, they’re meeting in monthly book clubs to discuss medical-themed literature.
Humanities courses are now required in many medical schools.

Clue to predicting cancer treatment response found

An international team of cancer researchers has found a way to predict which Hodgkin’s lymphoma patients won’t respond well to therapies, opening the door to using a less-aggressive regimen on those more likely to be cured.

Massive Chile earthquake may have shortened Earth’s day

NEW YORK — Earth’s days may have gotten a little bit shorter since the massive earthquake in Chile, but don’t feel bad if you haven’t noticed.
The difference would be only about one-millionth of a second.

Fossil reveals snake snacked on baby dinosaurs

TORONTO—Talk about a rude awakening!
Scientists have found fossil evidence that at least one species of baby dinosaur emerged from its egg—only to meet the open jaws of a huge primitive snake looking for a quick and easy snack.

Genetic analyzing tool helps trace superbug origins

Researchers have used a “revolutionary” genetic profiling tool to distinguish between closely-related strains of the potentially-deadly superbug MRSA—and even pinpoint when and where in the world the mutated bacteria first arose.
MRSA, or methicillin-resistant Staphylococcus aureus, is a strain of Staph bacteria that is not eradicated by the antibiotics commonly used to treat it.

People happiest on weekends: study

A psychology study that looked at people’s moods and their vitality on weekdays and the weekend has found that—no surprise—they generally were happier on weekends.
“Workers, even those with interesting, high-status jobs, really are happier on the weekend,” author Richard Ryan, a professor of psychology at the University of Rochester, said in a release.

Syndicate content