15:02
Would More Technology Mean Safer Trains?
Seventy thousand miles of track will need to be outfitted with “positive train control” technology by 2015.
17:06
Dissecting America’s $3 Trillion Medical Bill
Steven Brill discusses “Bitter Pill,” his investigation of skyrocketing healthcare costs.
24:56
Navigating Dietary Supplement Regulations
Dietary supplements don’t fall under the conventional food or drug FDA regulations.
11:56
With Shutdown Over, Scientists Assess the Damage
Government labs are turning on their lights—but many Antarctic scientists are still in limbo.
7:33
With Government Shut Down, Science Idles
As the budgetary stalemate in Washington continues, many federally funded science projects are now on hold.
33:31
Cracking Open Encryption Standards
How secure are the encryption systems that protect our communications?
Following Up on ‘A World Without Us’
An excerpt from “Countdown: Our Last, Best Hope for a Future on Earth?”
20:19
Wildfires Consume Funds Flagged for Prevention
Fire historian Steve Pyne says our fire system resembles our health care system—it’s focused on emergencies and not prevention.
22:17
The STEM Gender Gap
Why hasn’t an increase in the number of female students studying the sciences led to proportional number of women in the STEM workforce?
17:36
Teaching Newton’s Laws Through Rhyme
Science teacher Christopher Emdin knows how to get his students interested in science: Rap about it.