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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The average person in their lifetime will spend an estimated 20,160 minutes kissing!
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Scientists at the Zhejiang University in China have developed an ultra-light material known as carbon aerogel.
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The University of Oxford (teaching since 1096) predates the Aztec empire (1428 - 1521).
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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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