NPR News

The tantalizing aroma of freshly baked brioche is hard to resist, while a virtuous loaf of whole wheat often lacks that same allure. Blame it on the ferulic acid.

See, whole-wheat bread contains all parts of the wheat, including the bran, but white bread does not. That bran in the wheat bread contains the aforementioned ferulic acid, which overrides the compounds that give white bread its mouthwatering smell, according to new research.

Federal healthy officials said Friday there are some early signs this year's flu season may be easing in some parts of the country. But they stressed it's far too early to tell whether the flu season has peaked.

The number of states reporting widespread flu activity is up to 47, according to the Centers for Disease Control and Prevention. But flu activity nationally fell slightly in the CDC's most recent data. Five states reported less flu than a week earlier, according to the CDC.

Evangelical pastor Louie Giglio of Atlanta has withdrawn from giving the inaugural benediction. He's being criticized for remarks he made against homosexuality about two decades ago. Host Michel Martin speaks with Laurie Goodstein, national religion correspondent for The New York Times, about the reaction to Pastor Giglio.

Transcript

IRA FLATOW, HOST:

Up next, Flora Lichtman is here with our Video Pick of the Week. Hi, Flora.

FLORA LICHTMAN, BYLINE: Hi, Ira.

FLATOW: Now, we've got some digital research on this one. The other - the classic definition of digits, which...

LICHTMAN: The analog digital, your fingers.

FLATOW: Your fingers. That's what it means in Latin or something, right?

According to the EPA, more than 2.5 million tons of electronic waste, or e-waste, is produced each year in the U.S. Derek Markham, a contributing writer for Treehugger.com, discusses the global impacts, and why you should think twice before discarding your old cell phone.

What's it like to live--and cook--on Mars? To find out, researchers are simulating Mars missions in Russia, and on the slopes of a Hawaiian volcano. Kim Binsted talks about her study to whip up tastier space food. Porcini mushroom risotto, anyone? And sleep expert Charles Czeisler talks about how humans adapt to the 24.65-hour Martian day.

If you feel bombarded by emails, phone calls, text messages and the daily stress that comes with them, there could be a solution for you. Some people have found relief in perfect silence. Host Michel Martin learns more about the popularity of silent retreats.