Only about 2% of the world population has green eyes.
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In 2011, archaeologists discovered the skeletal remains of a Roman couple who have been holding hands for 1,500 years.
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Scientists at the Zhejiang University in China have developed an ultra-light material known as carbon aerogel.
3
The average person in their lifetime will spend an estimated 20,160 minutes kissing!
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A cow produces around 200,000 glasses of milk in her lifetime.
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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.
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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.
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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.
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