Mars had an oxygen-rich atmosphere around 4 billion years ago
13
The largest breed of rabbit is the Flemish Giant.
65
Your thumb is about the same size as your nose.
124
The average person in their lifetime will spend an estimated 20,160 minutes kissing!
212
It's possible to die from a broken heart; it's called Stress Cardiomyopathy.
165
The focusing muscles of the eyes move around 100,000 times a day. To give your leg muscles the same workout, you would need to walk 80km (50 miles) every day.
21
The strangers in your dreams are actually people that you've seen in real life.
50
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