A teen in Michigan built a working nuclear reactor. He taught himself how to build it as a weekend hobby project in his basement from ages 15-17 for $3500.
8
Lars Andersen has rediscovered an ancient form of archery that allows him to shoot 10 arrows in 4.9 seconds, while it takes others 13-35 seconds. He is even faster than the fictional archer Legolas in the Lord of the Rings series.
17
Scientists have revived a flowering plant from a fruit stored away in permafrost by Arctic ground squirrel 32,000 years ago.
16
More than a dozen men have stood on the surface of the moon, but only three have been to Challenger Deep in the Marianas Trench, the deepest known spot in the ocean.
17
The Sun and Moon appear to be the same size because the moon is 400 times smaller than the Sun, but 400 times closer to Earth.
13
Wyoming has only 2 sets of escalators in the entire state.
17