Tens of millions of Americans take nutritional supplements. New studies allege some pills do not contain what is on the label. Other research indicates consumers may be ingesting too many vitamins. New concerns about dietary supplements.
William Kamkwamba describes dreaming of bringing light to his village in Africa and how he taught himself physics and used spare parts to build a windmill that produced electricity.
- William Kamkwamba a student at the Pan-African Leadership Academy in South Africa and a 2007 TED Global Fellow.
- Bryan Mealer author of "All Things Must Fight to Live" and a former Associated Press correspondent in the Democratic Republic of Congo.
Most Recent Shows
The next chapter in the battle over net neutrality: An expected new ruling from the FCC to regulate the Internet as a public utility.
For our next Readers’ Review: “Alice’s Adventures in Wonderland” by Lewis Carroll. The whimsical classic turns 150 this year. Help us mark the occasion by joining our discussion.
The number of children allergic to peanuts has skyrocketed. A new study suggests doctors have been giving the wrong advice about peanuts for years. A discussion of what the latest research says about preventing the sometimes life-threatening allergy.