Cows can sleep standing up, but they can only dream lying down.
745
Mars had an oxygen-rich atmosphere around 4 billion years ago
13
The largest breed of rabbit is the Flemish Giant.
65
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
If you have 1 billion dollars and spend $1,000 every day, it would take you 2,740 years to go broke.
31