Category Archives: Science

What Caused the Red Rain of Kerala?

redrain

Between July 25 and September 23, 2001, the people of the southern India state of Kerala witnessed, on numerous occasions an extraordinary sight: blood colored rain. Although most reports limited the color of the rain to that striking red that resembled blood, some people also reported seeing green, black and even yellow rain as well. Eye-witnesses also reported that accompanying […]

Read more

Can Staying Awake Too Long Really Kill You?

sleepless-woman

Valerie C asks: Can staying awake too long really kill you? Every college student knows the eye-stinging pain of a caffeine-induced all-nighter.  It’s been well documented that prolonged sleep deprivation will lead to lower cognitive and motor function, as well as impaired memory; it might even give you the tired-giggles.  No one has ever definitively shown why sleep is necessary […]

Read more

Why Does Hypothermia Help People Survive in Some Situations?

frozen-woman

Derek H. asks: Why does extreme lowering of body temperature sometimes help people survive when they’re otherwise dead for extended periods? We’ve all probably heard of a person being pulled from cold water after a seemingly unrevivable timeframe. Miraculously, they survive and more or less make full recoveries. A 7-year-old girl named Stella Berndtsson from Sweden currently holds the record […]

Read more
1 2 3 18