Thirty-five years ago, NASA launched a pair of spacecraft called Voyager 1 and 2 in hopes of learning more about the outer planets of solar system, those big gas giants. The Voyagers beamed back dazzling close-ups of the big red spot on Jupiter and the rings of Saturn, but scientists wanted to see even more of what's out there, see how far the Voyagers could go before running out of fuel.
Philadelphia's Mütter Museum has a lot of heart, and other organs too. Items in this collection of medical specimens include a gangrenous hand, a wallet made of human flesh, and a colon the size of a medium suitcase. And that's just the stuff on display, imagine what's in the basement.
This is SCIENCE FRIDAY; I'm Ira Flatow. What if you broke your doorknob, or you needed a spare part for your car, and instead of going to a store or your car dealership, you just powered-up your desktop 3-D printer, and hours later, voila, you've got the part you needed.
A pair of Canadian skyscrapers have been dubbed the "Marilyn Monroe" towers due to their shapely form. In Abu Dhabi, twin towers are shielded from the sun by computer-controlled shading screens. Architect Antony Wood discusses features of some tall buildings that make them standouts across the world.
Ever wonder why you worked so hard to avoid the lasagna at dinner only to give in to your craving for not one but two helpings of cake for dessert? Well, new research may hold some answers to this vexing question. A new study in the Journal of Consumer Psychology confirms what we've been - what we've known for some time, and that is each of us has an internal reservoir of self-control. We have a reservoir of self-control that it depletes. Every time we resist a temptation, we use a little bit of it up.
Advocates for cannabis decriminalization have long touted marijuana's potential medical benefits, but some new research suggests that the grass, as it were, may not always be greener.
Plenty of people aren't waiting for marijuana to become legal to start trying it as a medicine, though. About 1 in 10 patients referred to a McGill University pain clinic in Montreal for fibromyalgia over a six-year period were using marijuana to deal with the chronically painful condition, a new study found.
President Obama's switch on deportation puts pressure on Mitt Romney to clarify his immigration position — just days before both candidates address an organization of Latino elected officials. And Romney is forced to assure everyone that Marco Rubio is indeed being considered as a potential VP pick. Plus: a look ahead to next week's primaries in New York and Utah. NPR's Ron Elving and Ken Rudin have the latest political news in this week's roundup.