What makes us yawn?
What is it that makes us suddenly draw in a deep breath through a wide-open mouth? The beautiful thing about yawning is that researchers really don't know. Whether the answer is physical, mental or ev...
25 Apr 201326min
How Magnets Work
You can stick them to the fridge or use them to transpose sound to tape, whatever they are used for magnets are surprisingly interesting. And knowing just exactly how and why magnets work will make yo...
23 Apr 201335min
Uses of the Insanity Defense
The idea that a person who can't understand the crime they've committed is wrong lets them off the hook from culpability for their actions is a longstanding pillar of Western criminal law. Learn about...
18 Apr 201330min
How Marriage Works
You can tell a lot about a culture through marriage statistics: what age people get married, how many divorce, who is excluded from legal marriage. It forms a picture of how a society interacts with i...
16 Apr 201339min
Do men and women have different brains?
It's a pretty touchy subject because of the possible implications - if you find differences between the brains of men and women, does that mean there are differences in their intellect? Surprisingly, ...
11 Apr 201323min
What's the deal with duckbill platypuses?
It is pretty much impossible to describe duckbill platypuses without using the word "hodgepodge" and for good reason. These mammals also share features with birds, reptiles and even sharks. Learn abou...
9 Apr 201323min
How Grief Works
You can probably name the five stages of grief - from denial to acceptance - they've become pretty well known since being proposed in 1969. But later researchers are finding that grief is rarely that ...
4 Apr 201339min
How the Panama Canal Works
It's on more than one list of the Seven Wonders of the World and for good reason - the Panama Canal is one of the great feats of engineering ever undertaken. First conceived of in the 1580s and finall...
2 Apr 201331min
