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Researchers who study developing human embryos have long limited their experimentation to lab embryos that are no more than 14 days into development. Some scientists are now pushing that boundary.

Voyage of the Basilisk is the latest book in Marie Brennan's Memoirs of Lady Trent series; critic Genevieve Valentine says if you love dragons like Lady Trent does, now's the time to get acquainted.

The vaccine is already showing up in drugstores, but maybe wait until Halloween to get the shot, doctors say, especially if you're over 65 and want to be protected against flu this winter.

Airs Wednesday, September 2, 2015 at 9 p.m. on KPBS TV

With the terrorist group ISIS dominating headlines and presidential debates, Isis will now do business as Ionis Pharmaceuticals.

The approach made popular by Alcoholics Anonymous doesn't work for most people, according to psychiatrist Lance Dodes. In fact, he says, the steps can actually be harmful to the majority of addicts.

The science is clear that teenagers need more than eight hours of sleep a night. The nation's pediatricians say school districts need to buck up and change schedules to let kids sleep later.

As the year comes to a close, we look back at some of our favorite KPBS stories in 2014: the gluten-free product craze; cars becoming more like smartphones; a retiring San Diego cop who worked with the homeless; and a daycare center for kids whose parents are homeless.

Much to the dismay of beach lovers, San Diego beaches are not so sandy any more. King tides and El Niño have made them more pebbly than ever. SANDAG has spent millions trying to stem this tide. Is it worth it?

Opioids lock to a receptor in the brain that controls pain relief, pleasure and need. A new compound may offer relief without as much risk of addiction or overdose. But it's only been tested in mice.