Popular theories involve pirates—and police.

BIG QUESTIONS
Here’s the history behind four-year presidential term limits, plus answers to all your other questions about presidential terms.
There's a good reason the metal hook on a tape measure wiggles, and it has to do with why the first inch is actually 1/16th of an inch short.
Synchronized swimming now goes by the name ‘artistic swimming.’ Here's why.
Volleyball doesn’t have goalkeepers, but it does have liberos—and the rules are a little different for them.
There are several reasons why a host country might see a boost in the Olympics medal count.
The big paper tags seen on Olympic track and field athletes are both high-tech tracking devices and sentimental souvenirs.
Sodas in the Aloha State look a little different from what you’re probably used to.
The amount of gold in Olympic medals is regulated, and there’s a lot less than there used to be.
Deodorant sticks often come with one outer cap and one inner cap, but the purpose of that extra inner cap isn’t really clear.
Beach volleyball's hand signals are a handy way for a blocker to clue their teammate into their next move.
There's a reason why two caps are better than one.
You think you just fell out of a coconut tree? It may have actually been a different type of palm tree.
Fencing body cords aren't a safety measure.
The sophisticated cephalopods have highly evolved vision and can use jet propulsion to escape predators, but there are a few key differences between squid and cuttlefish.