An unprotected human can survive up to 1.5 minutes in space with no permanent bodily damage.
82
The University of Oxford (teaching since 1096) predates the Aztec empire (1428 - 1521).
14
There is a persistent storm in Venezuela that produces lightning 140 to 160 nights a year, 10 hours per day and up to 280 times per hour and has been going since at least the 16th century.
25
The oldest stone tools found are dated from 2.7 - 2.9 million years ago. The species that made these tools is unknown.
13
Your thumb is about the same size as your nose.
124