Viral Diseases
08 Feb 2008When is a life form not a life form? When it's a virus. Viruses are strange things that straddle the fence between living and non-living. On the one hand, if they're floating around in the air or s...
When is a life form not a life form? When it's a virus. Viruses are strange things that straddle the fence between living and non-living. On the one hand, if they're floating around in the air or s...
Chimpanzees live mainly in rainforests. Tropical rainforests are home to all the world’s apes, but their territories can be from rainforests to dry grasslands, or even desertlike areas. You’ll find mo...
Razor bumps, also called pseudofolliculitis barbae, are small, irritated bumps on the skin. They develop after shaving, when strands of hair curl back on themselves and grow into the skin. Razor bu...
There isn't an automatic "switch" that flips off when we fall asleep and on when we wake up, says Dr. Leonid Kayumov, director of the sleep clinic at U of T's psychiatry department and the Universit...
When we sleep, we lose consciousness of ourselves. We do not know what happens to us or even our body. But our subconscious mind still keeps on working. Depending upon our desires, thoughts and events...
A "falling star" or a "shooting star" has nothing at all to do with a star! These amazing streaks of light you can sometimes see in the night sky are caused by tiny bits of dust and rock called meteor...