The first webcam was used in 1991 by Cambridge researchers for checking the coffee pot without leaving their desks.
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Mackinac Island, Michigan, has banned cars since 1898!
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Some people have a "natural alarm clock" allowing them to wake up when they want. This is actually caused by a burst of the stress hormone adrenocorticotropin.
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Only 12,000 years ago there was a species closely related to modern humans called Homo floresiensis that had been living on an Indonesian Island. They used fire and rather advanced tools, yet were only about 3 feet tall and weighed around 25kg.
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You can reschedule your sleeping pattern by not eating 12-16 hours before you want to be awake. Upon eating after this time period, your internal clock will reset to a new day, with the time of your first meal being interpreted as "morning".
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Dogs can be trained to identify the scent of lung cancer long before symptoms develop.
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For most people, no matter how hard you pinch the skin on your elbow with your fingers it doesn't hurt.
515
Applying vodka to your face helps tighten your pores and can reduce the risk of acne breakouts.
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