Humans

It's not enough anymore to learn how to size up the symptoms of a particular patient, say specialists in bioinformatics. Modern doctors need to learn to see patterns in huge data sets, too.

A large study suggests some may use e-cigarettes to quit smoking tobacco. But the survey also shows that nearly 10 percent of young adults who have never smoked tobacco have used the devices.

Roughly 265,000 U.S. kids entered foster care last year — the highest number since 2008. Officials say the abuse of heroin or prescription painkillers by more parents is one reason for the increase.

For three seasons, fans have flocked to Hulu for East Los High. The teen soap follows its characters through the tumult of adolescence and uses a secret weapon to deliver life lessons along the way.

In 1893, a German scientist made a striking discovery: Cells from a fetus hide out in a mother's body after birth. Scientists say these cells alter the risk of breast cancer and autoimmune diseases.