Mars had an oxygen-rich atmosphere around 4 billion years ago
13
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
Your thumb is about the same size as your nose.
124
There are so many kinds of apples that if you ate a new one everyday, it would take over 20 years to try them all.
34
No one knows Albert Einstein's last words. Just before he passed, he spoke several words in German, but his nurse only knew English.
154