Dec 8, 2013 — For the first time, scientists have figured out where we sit on the global food chain. Although humans are clearly top chefs of the world, we're not the top predator. Instead, our ranking is closer to a small, smelly fish that we put on pizzas and salads.
Dec 6, 2013 — This week China launched its Chang'e-3 lunar lander, with the Jade Rabbit moon rover on board. BBC science editor David Shukman, who got a behind-the-scenes glimpse of China's secretive space program during a recent trip there, talks about the motivations behind the country's moonshot.
Dec 6, 2013 — In 2008, Congress passed a law requiring most rail networks to install "positive train control" collision technology by 2015. Engineering professor Christopher Barkan discusses train safety systems, how "positive train control" might prevent accidents, and whether railroads will be able to meet the deadline.
Dec 6, 2013 — Drawing from research presented at this year's Acoustical Society of America conference, psycholinguist Stefanie Shattuck-Hufnagel untangles tongue twisters to look at speech planning patterns, and professor Amalia Arvaniti discusses the "Valley Girl" dialect.
Dec 6, 2013 — In "Bitter Pill: Why Medical Bills Are Killing Us," a 26,000-word investigative piece in TIME magazine, journalist and entrepreneur Steven Brill catalogues the myriad reasons for America's skyrocketing healthcare costs, from extravagantly paid administrators at nonprofit hospitals to bloated bills for hospital care. And Obamacare, he argues, won't do much to solve the problem.
Dec 6, 2013 — Technology now allows us to "hack" solutions to the biggest challenges of our time. But how far is too far? This hour, we hear from TED speakers who dare to hack the brain, the climate, and even the animal kingdom in hopes of creating a better world.
Dec 4, 2013 — A meningitis outbreak at the University of California, Santa Barbara is causing the same kind of illnesses seen earlier at Princeton, but public health officials say a different bacterial strain is to blame. The UCSB health service has given preventive antibiotics to over 700 students as a precaution.
Dec 3, 2013 — The space agency has announced plans to grow turnips, basil and cress on the moon by 2015. The experiment could be good news for astronauts sick of their freeze-dried fare. But researchers say the real goal is to see if humans could one day live — and farm — on the moon.
Dec 2, 2013 — Left-handedness has been linked to everything from early death to schizophrenia over the past 150 years. While the associations spark curiosity and sometimes concern, it's been difficult to draw solid scientific conclusions, one way or the other.
Dec 1, 2013 — You can't tickle yourself because you can't surprise your own brain. But could you do it if you could trick your brain into thinking you were someone else? Host Rachel Martin talks to professor Jakob Hohwy of Monash University in Australia to learn about his experiment with illusion and reality, and the rubber hand.