In 2011, archaeologists discovered the skeletal remains of a Roman couple who have been holding hands for 1,500 years.
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Domestic pigs average a top speed of about 11 miles per hour.
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The reindeer is the only mammal that can see UV light.
17
Scientists in Germany have developed a candy that doesn't cause cavities.
11
A singing birthday card has more computing power than the allied forces in 1945.
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Awarding people money for doing well in IQ tests causes them to score better, $10 increased people's score by an average of more than 20 IQ points. IQ tests don’t just measure intelligence - they also measure effort.
9
The average sperm cell swims at 8 inches per hour.
4
You can hear the blood flowing through your ears if you find a quiet place and cover them tightly.
17