It all comes down to a little science and the shape of your drinking vessel.

ALL STORIES
Do you think you have a photographic memory? Prove it! Take this interactive online test and see where you score.
It’s the Council of Elrond, not the Counsel of Elrond (though counsel was definitely given during proceedings).
Marie Curie, who was born in Warsaw, Poland, on November 7, 1867, is still the only person to receive Nobel Prizes in two different sciences.
Wearing green on St. Patrick’s Day is a tradition that has been around for a few centuries, but it didn’t start with St. Patrick.
Despite the decades of public attention, there are some aspects of Camilla’s life that have been less well documented.
English never hesitates to borrow words that would lose certain subtleties in translation, and angst, ennui, and weltschmerz have made their way into English by offering a little something extra.
Unusual deaths aren’t just found on the page. A number of authors have themselves died in bizarre ways—and sometimes, they seem even stranger than fiction.
All five answers to the questions below have something in common. Can you figure it out?
The silhouetted player in the MLB logo is ambiguous in more ways than one.
Was he really just referencing bean curd? The proof is in the multiple tofu-centric bumper stickers on his car.
The zoo presents familiar birds in a fresh, unified way—and drives home the message that people can take simple steps to protect birds’ future.