加勒比海的片脑纹珊瑚，开曼群岛 Symmetrical brain coral on a reef in the Caribbean Sea near Grand Cayman, Cayman Islands (© Alex Mustard/Minden Pictures)

加勒比海的片脑纹珊瑚，开曼群岛 Symmetrical brain coral on a reef in the Caribbean Sea near Grand Cayman, Cayman Islands (© Alex Mustard/Minden Pictures)

Brain coral

You needn't be a genius to guess how brain coral got its name. But you could just as easily call it 'maze coral' after its labyrinthine surface. Either way, this sea organism is an apt mascot for today's cerebral celebration: Puzzle Day!

From mazes to math problems to minute mysteries, you can find puzzles to tease just about every part of your brain, from the logical left hemisphere to the creative and crafty right. While medical science hasn't fully established that regular practice with puzzles benefits the brain, it's thought that solving puzzles helps concentration, pattern recognition, and memory. Or maybe they're just fun—but hey, that's excuse enough to riddle away the day on your favorite puzzles. Try starting off with today's homepage quiz.

脑珊瑚

你不必是个天才就能猜出brain coral是如何得名的。但你也可以简单地用迷宫般的表面来称呼它为“迷宫珊瑚”。不管怎样，这种海洋生物都是今天大脑庆祝活动的吉祥物：拼图日！

从迷宫到数学问题，再到微小的谜题，你可以找到谜题来挑逗你大脑的每一个部分，从逻辑的左半球到创造性和狡猾的右半球。虽然医学尚未完全证实经常练习拼图对大脑有益，但人们认为解决拼图有助于集中注意力、模式识别和记忆。或者也许它们只是好玩，但嘿，这足以让你在你最喜欢的谜题上度过这一天。试着从今天的主页测试开始。