Blue light fends off drowsiness in the middle of the night, which could be useful to people who work at night.
240
Oak trees can live 200 or more years.
61
22% leave the glob of toothpaste in the sink.
118
A typical full-time worker in the US with a four-year college degree earns about $50,000. This is 62% more than a worker with only a high-school diploma.
72
Barbie's full name is Barbara Millicent Roberts.
78
You can immediately cool down a car that has been sitting under the sun by rolling down the window on one side and opening-closing the door on the other side 5-6 times.
23
