At 90 degrees below zero, your breath will freeze in mid-air and fall to the ground.
24
Fine-grained volcanic ash can be found as an ingredient in some toothpastes.
55
22% leave the glob of toothpaste in the sink.
118
We forget why we have entered a room because passing through doors creates an ‘event boundary’ causing the brain to file away what we were just thinking about.
26
Most of the dust underneath your bed is actually your own dead skin.
251
Mentally doing a task makes you better at it. Your mind can barely tell the difference.
18
The higher someone’s I.Q. the more likely they are to be sleep deprived.
29
You can tape a small mirror onto a cone speaker, play music and shine a laser on to the mirror and the reflection will look like a laser light show on your wall.
102