The oldest stone tools found are dated from 2.7 - 2.9 million years ago. The species that made these tools is unknown.
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Mars had an oxygen-rich atmosphere around 4 billion years ago
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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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Lurch, a Watusi bull, had the largest horns in the world.
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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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There is a persistent storm in Venezuela that produces lightning 140 to 160 nights a year, 10 hours per day and up to 280 times per hour and has been going since at least the 16th century.
25
If aliens located 60-65 million light years away from us, looked at earth through a really powerful telescope today, they would see dinosaurs!
18
The strangers in your dreams are actually people that you've seen in real life.
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