How Condoms Work
The earliest depiction of a condom is found in a 15,000-year-old cave painting. Ever since humans realized sex led to children, we've been using condoms to prevent pregnancy. Join Josh and Chuck for t...
13 Des 20121h 1min
Will we reach peak oil?
A 2012 report showed that the U.S. may be energy-independent in just a few years, but not too long ago the specter of peak oil loomed large on the political and economic landscape. Join Chuck and Josh...
6 Des 201237min
How Vampires Work
Out of obligation, Chuck and Josh mention Twilight, but it is the longstanding vampire lore that gets the most attention in this examination of how the bloodsucking undead evolved from baby-stealing d...
4 Des 201248min
How Caving Works
Entrances to the underworld have been places of wonder for eons, and humans have ventured into caves to sleep, hunt, create art and explore. Thanks to the hobby of caving, that tradition continues tod...
29 Nov 201249min
Why do leaves change colors in the fall?
Ah, autumn - arguably the most beautiful time of the year, thanks to the vibrant colors trees put on display as they close up for the winter. Ever wonder why and how trees change color in the fall? Ch...
27 Nov 201223min
Philanthropy: Humankind and Loving It
Sure the fatcats get all the credit for donating millions, but did you know US households making $20,000 or less contribute the highest percentage of their income to charity? Learn more (not to mentio...
22 Nov 201245min
Should we be designing our children?
In 2009, a fertility clinic controversially offered parents the ability to customize their children. How will society take the idea of designing children? Do we have a moral obligation to design bette...
20 Nov 201234min
How Meth Works
You know how when you do a lot of crystal methamphetamine you get meth mouth, where your teeth decay? Of course you don't! So check out this in-depth look on the most widely-abused hard drug in the wo...
15 Nov 201247min
