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
Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
14
You forget 90% of your dreams.
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In the last 7 years, humanity has discovered 43 potentially habitable planets.
14
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
The average person in their lifetime will spend an estimated 20,160 minutes kissing!
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