If you ever twitch while falling asleep, you’re not alone. In fact 70% of the population experience this phenomenon, called a hypnic or hypnagogic jerk.
Humans might not have hair as thick as chimpanzees covering their body, but our arm, leg and eyebrow hair all serves as reminders of our primate ancestry. So why don’t Homo sapiens have whiskers...
There are many good reasons why living organisms are adept at moving themselves around without tripping or falling all the time. This was such a crucial skill for survival that early on in our...
Based on their ability to discharge “chemical bombs” when threatened, bombardier beetles are aptly named. Beetles are different from other insects in that while they can fly, they cannot do so...
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