Scientists Probe Puppy Love
Research shows the mutual gazing between pooches and people spurs release of a "trust hormone" in both. The results suggest dogs really may love us back.
Research News
'Mad Cow' Disease In Texas Man Has Mysterious Origin
It's only the fourth case of the deadly disease in the U.S. And it has doctors on an international hunt. How did a disease linked to contaminated beef in the U.K. more than a decade ago get to Texas?
Use Of E-Cigarettes Triples Among U.S. Teens
Even as the use of traditional cigarettes and most other tobacco products dipped or stayed the same from 2013 to 2014, the use of e-cigarettes climbed among students in high school and middle school.
Personalizing Cancer Treatment With Genetic Tests Can Be Tricky
Genetic profiling of cancer cells can help guide treatment, but such profiles can be ambiguous. Results would be more accurate if all labs tested normal cells from each patient, too.
If Walls Could Talk: What Lead Is Doing To Our Students
A new study says Massachusetts' aggressive effort to lower lead exposure has also improved student performance.
A Day's A Day The World Around — But Shorter On Saturn
Researchers have finally determined the length of a day on the ringed planet (gas shrouds any landmarks, so it was tough). Precision matters: A faster spin influences the speed of surface winds.
Clam Cancer Spreads Along Eastern Seaboard
Renegade cells floating through seawater apparently cause the cancer, scientists say. Though people can't catch it, the malignancy might offer clues to how cancer cells spread in the human body.
The Hidden Cost Of Mammograms: More Testing And Overtreatment
Each year the U.S. spends billions of dollars on unnecessary tests and treatments that result from inaccurate mammograms, some scientists say. They're calling for more selective screening.
Results Of Many Clinical Trials Not Being Reported
Federal law requires publicly funded medical researchers to promptly report the results of many experimental treatments. But few are doing so, a review shows, and patients may be hurt.
Bundle Of Joyful Microbes: Mom's DNA Alters Baby's Gut Bacteria
Babies have a microbe in their gut that prevents infections and helps the immune system. But not all infants get the bacteria at the same time, or in the same amount. Scientists have figured out why.