Cows can sleep standing up, but they can only dream lying down.
745
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
In 2011, archaeologists discovered the skeletal remains of a Roman couple who have been holding hands for 1,500 years.
81
Your thumb is about the same size as your nose.
124
Scientists at the Zhejiang University in China have developed an ultra-light material known as carbon aerogel.
3
You forget 90% of your dreams.
256