Mechanical engineer Maurizio Porfiri, of the Polytechnic Institute of New York University, designs robot fish. A few years ago, he found that real fish would mill about his aquatic robot, and now he's trying to understand why. His research suggests that it has less to do with how the robot looks, than how it makes fish feel.
A private company has unveiled plans to mine precious metals and water from nearby asteroids. Planetary Resources co-founder Eric Anderson discusses the various stages of the mining process and how the excavated minerals could impact future space exploration and innovation on Earth.
After tough criticism from Republicans, the Obama administration withdrew its proposal for new rules to limit child labor on farms.
The AP reports that yesterday, the Labor Department withdrew the proposed rules "that would ban children younger than 16 from using most power-driven farm equipment, including tractors. The rules also would prevent those younger than 18 from working in feed lots, grain bins and stockyards."
Mitt Romney sweeps five primaries and all but locks up the GOP nomination. Even Newt Gingrich agrees Romney is the presumptive nominee. More veepstakes speculation on Sen. Marco Rubio of Florida and Sen. Rob Portman of Ohio. Two centrist House Democrats bite the dust in Pennsylvnaia, while Utah GOP Sen. Orrin Hatch lives to fight another day.
NPR's Ken Rudin and guest host Mara Liasson have the latest political news in this week's roundup.
Originally published on Fri April 27, 2012 2:24 pm
It's no secret that Americans are short on sleep. But there's been disagreement as to why. A new study says here's one big reason: work.
An analysis from the National Institute for Occupational Safety and Health asked people where they're working, and how much they sleep. The more people work, the less sleep they're likely to get. And some jobs are much less sleep-friendly than others. Sort of saw those coming, even through our bleary eyes.
The beating of Rodney King by Los Angeles police officers sparked the chain of events that led to the deadly L.A. riots 20 years ago this weekend. Host Michel Martin speaks with Rodney King about his memories of the riots, the beating, and his new book, The Riot Within: My Journey from Rebellion to Redemption.
In an historic judgment, the UN-backed court at The Hague found Liberia's former president, Charles Taylor, guilty of war crimes. He was convicted of abetting murder, rape, and the forced enlistment of child soldiers during Sierra Leone's civil war. Host Michel Martin talks about reactions in Liberia and Sierra Leone with journalist Tamasin Ford.
The Los Angeles riots stunned the nation in 1992, claiming more than 50 lives in that city. As the unrest approached Koreatown, store owner Kee Whan Ha mobilized his fellow business owners to arm themselves and defend their property. Host Michel Martin talks with him about the riots, and the neighborhood today.