Contrary to what you may have heard at your local dietary supplement retail outlet, sharks do get cancer. There is nothing special about their cells and researchers have been studying cancerous tumors on sharks for years. So, next time you’re about to buy those cartilage pills, call the bluff.
Seasons are actually caused by the 23.45 degree tilt of the earth’s axis. This means that different parts of the earth are oriented towards the sun at different times of the year. Its all about direct sunlight.
While earthworms do regenerate they will not divide into two entirely new earthworms. Every 5th grader knows that the front of the worm lives and the back dies. The regeneration happens when the front of the worm replaces the lost half of its body.
The idea that with every lap around the fish bowl your goldfish is experiencing the world as if it were completely new is completely wrong. Goldfish actually have a fairly decent memory. In fact, they can be taught to respond to different light, music, or other sensory cues.
While this is probably good advice for some people, especially if you live in a really dry area, it should not be followed as a rule. Moreover, nobody is really even sure where this advice originated. Just remember, if you’re thirsty, drink.