NPR News

In order to see the red of a sunset or the green of spring leaves, developing human eyes need to get the right hormone at the right time.

That's the finding of a team of scientists who studied how color vision develops using hundreds of human retinas grown in the lab.

Indonesia is winding down its search and rescue operations, with thousands of people believed to be still missing after a devastating earthquake and tsunami struck last month on the island of Sulawesi.

The official death toll for the disasters stands at 2,073. But the national disaster agency says that the number of those still missing could be as high as 5,000, after the strength of the quake caused the ground to liquefy and swallow up buildings and people.

Search efforts had been set to end Thursday, but were extended to Friday.

KCRW welcomed Cat Power for her first live radio session behind her latest album, Wanderer. "In Your Face" features Power's vocals front and center as she strips things back for a hushed performance.

Ensuring that people with pre-existing health conditions can get and keep health insurance is the most popular part of the Affordable Care Act. It has also become a flashpoint in this fall's midterm campaigns across the country.

And not only is the ACA protection, which mostly applies to people who buy their own coverage, at risk. It's also possible that pre-existing condition protections that predate the federal health law could be in play.