The 1 yen coin can be used as a weight, because it weighs exactly one gram. Also, it can float on water.
19
Group "brainstorming" makes each individual in the group less creative and doesn't work as efficiently as the same number of people working alone and then later pooling their ideas.
10
At 90 degrees below zero, your breath will freeze in mid-air and fall to the ground.
25
If you have 1 billion dollars and spend $1,000 every day, it would take you 2,740 years to go broke.
31
Mentally doing a task makes you better at it. Your mind can barely tell the difference.
18
‘Tree shaping’ is the art of growing trees and roots into things like bridges, chairs, “people trees”, ladders, fences, jungle gyms, tunnels, and, theoretically, could even be used to grow homes.
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