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
In 2011, archaeologists discovered the skeletal remains of a Roman couple who have been holding hands for 1,500 years.
81
Only about 2% of the world population has green eyes.
36
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
Scientists at the Zhejiang University in China have developed an ultra-light material known as carbon aerogel.
3
An unprotected human can survive up to 1.5 minutes in space with no permanent bodily damage.
82
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
In the last 7 years, humanity has discovered 43 potentially habitable planets.
14