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
You forget 90% of your dreams.
256
If you have 1 billion dollars and spend $1,000 every day, it would take you 2,740 years to go broke.
31
There is a mass reservoir of water floating in space that is 100,000 times bigger than our sun and holds 140 trillion times more water than all of our oceans.
11
If Earth's history was condensed into twenty-four hours, life would've appeared at around 4am, land plants at 10:24pm, dinosaur extinction at 11:41pm, and human history would’ve began at 11:58:43pm.
21
Scientists at the Zhejiang University in China have developed an ultra-light material known as carbon aerogel.
3