Science Now

Science Now Discoveries from the world of science and medicine
E-cigarettes are a 'major public health concern,' especially for young people, surgeon general says

Electronic cigarettes have all the addictive potential of traditional tobacco products, and health officials should do all they can to keep them out of the hands of teens and young adults, according to the federal government’s first comprehensive review of e-cigarettes.

The report released Thursday by the U.S.

Read more
Feathered baby dinosaur tail found trapped in amber

While browsing amber markets in Myanmar, scientists discovered the feathers and partial tail of a tiny baby dinosaur that lived some 99 million years ago.

The find, described in the journal Current Biology, offers a rare window onto the structure and organization of dinosaur feathers — one that could help shed new light on their evolution.

Read more
Cassini sends back intriguing pictures of Saturn from new ring-grazing orbit

Talk about a glamour shot! NASA’s Cassini spacecraft has completed the first of its ring-grazing orbits and snapped stunning images of the strange hexagon-shaped jet stream at Saturn’s northern pole.

Read more
On average, people born in the U.S. in 2015 will live 36.5 days fewer than those born in 2014

The final numbers for 2015 are in and it’s now official: Life expectancy for Americans was shorter last year than it was the year before.

A person born in the U.S. in 2015 could expect to live 78.8 years, on average. That’s 0.1 years — or 36.5 days — fewer than in 2014.

Read more
Scientists find antibody that hinders the spread of certain cancer cells

Researchers in Spain have taken a key step in unraveling one of nature’s most malignant mysteries: How do cancerous tumor cells that establish a beachhead in one organ strike out in search of new territory to colonize?

And more important, how might they be stopped?

Some answers to those questions came Wednesday in a study published in the journal Nature.

Read more
States with background checks for those who buy guns and bullets also have fewer school shootings

An analysis of recent school shootings suggests a way to make them less likely: Mandatory background checks.

States that required background checks for gun buyers were about half as likely to experience a school shooting compared with states with no such requirement, a new study reports.

Read more