U.S. and 11 Pacific Rim nations reach deal on massive trade accord

Science Now

Science Now Discoveries from the world of science and medicine
Kids' feelings about marijuana in sixth grade may predict future risk of drunk driving

A new study of Los Angeles-area kids suggests a specific way to reduce the risk that they will drive under the influence of alcohol or drugs as teenagers — challenge their positive beliefs about marijuana, and start doing it as early as sixth grade.


Read more
For mass shooters, achieving fame -- or infamy -- is a frequent driver

At the epicenter of the nation's latest mass shooting in Oregon, Douglas County Sheriff John Hanlin says the motives of the man who fatally shot 9 people on a college campus Thursday are not known.

Read more
Nobel Prize in medicine goes to 3 scientists for work on parasite-fighting therapies

Three scientists whose discoveries have driven scourges of the developing world to the brink of eradication have been awarded the Nobel Prize for physiology and medicine.

The Nobel Committee announced Monday it had awarded the 2015 prize to 85-year old William C.

Read more
MacArthur 'genius' explains why artificial leaves need to work better than real ones
Asteroid that killed the dinosaurs had help from volcanoes, study says

Many scientists have long blamed a single culprit in the sudden and violent mass extinction that took out the dinosaurs: an asteroid that came screaming out of the skies some 66 million years ago. But it turns out that this asteroid may have had an accomplice.

Read more
Scientists identify potential birth control 'pill' for men

Two drugs that help suppress the immune system in organ transplant patients may have a future as the long-sought birth control "pill" for men, new research suggests.

The drugs – cyclosporine A (also known as CsA) and FK506 (also known as tacrolimus) – are given to transplant recipients to reduce the risk that the patient’s body will reject its new organ.

Read more