How Megalodon Worked
Between 2 to 20 million years ago, the biggest shark with perhaps the most devastating bite of any animal ever ruled the oceans with an iron jaw. Despite its fierceness, megalodon went extinct while o...
3 Maj 201632min
What was Operation Plowshare?
America had already used two nuclear bombs to devastating effect when researchers thought "maybe we can use these bombs to dig big holes instead." That's right, atom bombs to replace bulldozers. And i...
28 Apr 201643min
Myths and Truths About Tornadoes
Tornadoes can make mincemeat out of houses, people, cars, you name it. So do you know what to do - and what not to do - when there's one headed your way? Learn more about your ad-choices at https://w...
25 Apr 201643min
Does Kin Selection Explain Altruism?
There's a curious puzzle unanswered by the theory of evolution: why do some animals give up their chance to reproduce to help others reproduce instead? For decades biologists have suggested family was...
21 Apr 201632min
What Makes Lead So Poisonous?
The people of Flint, MI were horrified to find their drinking water was poisoned with lead. As we learn more about lead's effects and realize how persistent it is, the more worrying it becomes. What m...
19 Apr 201649min
How Big Bang Theory Works, with Neil deGrasse Tyson
There are a number of theories for how the universe evolved but none are more widely accepted than the Big Bang theory. Learn about the mind-boggling details of the early universe and hear Dr. Neil de...
14 Apr 20161h 6min
How the Gender Pay Gap Works
The gender pay gap is the amount of time into the next year a woman must work to earn as much as a man did the previous year. And it's narrowing at a snail's pace. Learn more about your ad-choices at...
12 Apr 201640min
How Labor Strikes Work
Labor strikes are the last resort of a workforce frustrated with low pay or dangerous working conditions. A big part of winning a wage war is having the public in your side. Learn all about strikes in...
7 Apr 201653min
