Your thumb is about the same size as your nose.
124
Cows can sleep standing up, but they can only dream lying down.
745
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
Scientists have revived a flowering plant from a fruit stored away in permafrost by Arctic ground squirrel 32,000 years ago.
16
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