7:20
Moving Ice May Mean More Melting for Greenland
By 2060, Greenland’s seasonal “supraglacial” lakes will double in number and move farther inland.
22:09
Science Goes To The Movies: ‘The Imitation Game’
SciFri’s scientist-film critics weigh in on the Alan Turing biopic.
10:53
Making Space a More Democratic Place
What if anyone could 3-D-print a satellite in space? Or jet from the Earth to the Moon, using just the hydrogen found in a two-liter bottle of water?
11:52
Evidence Mounts for Liquid Water on Mars
NASA reveals new evidence for a large lake that could have existed for millions of years on Mars.
17:22
Alan Alda Challenges Scientists to Answer: What Is Sleep?
Alan Alda’s Flame Challenge asks scientists to answer the big questions that keep them up at night to 11-year-olds around the world.
16:20
Food Failures: Cookie Science Secrets
In this episode, “Cooking for Geeks” author Jeff Potter gives home bakers tips on how to achieve cookie perfection using different sugars, fats, and flours.
20:28
DIY Holiday Gift Hacks
Avoid the long lines and hack your holiday gifts, from homemade perfume to 3-D printed ornaments.
26:00
The Best Science Books of 2014
Science writers Deborah Blum and Annalee Newitz join Ira to share their favorite science books of 2014.
21:26
Climate Deal or Not, Fight Against Global Warming Has Begun
Last year, for example, new solar plants outpaced coal installations in the U.S., and carbon-trading schemes across state and national borders have already begun.
7:42
How Long Does a President’s Legacy Last?
In 1991, 53 percent of students tested could recall Lyndon Johnson as the 36th president; that number dropped to 20 percent by 2009, according to a new study released in Science.