Do animals come into the world tabula rasa and only learn things from experience? Or do we emerge with some knowledge already hardwired?
The only reason some people have drowned in quicksand is because they've panicked. Learn how quicksand works, and how to escape from it.
Your heart is racing, your head spinning, your hands tingling. An overwhelming sense of despair and anguish hits you like a wave. What on earth is going on?
Could you escape a falling elevator by simply stepping out? Learn more on this Moment of Science.