This is a misconception. MRI scans show that much more than 10% of the brain is active.
There's no evidence to support this claim. In fact, swimming on an empty stomach can lead to low energy levels.
Shaving doesn't alter the thickness or rate of hair growth. It may appear thicker initially because of the blunt, stubbly ends.
Bulls are actually colorblind. They react to the motion of the matador's cape, not its color.
Gum is not digested in the same way as food, but it doesn't stay in your system for seven years. It usually passes through in a few days.
Studies have not shown a link between knuckle cracking and arthritis. The sound is caused by gas bubbles in the joints.
Einstein was actually an excellent student, and this claim is a widely circulated myth.
Studies have shown that goldfish have a memory span longer than a few seconds. They can remember things for several months.
While some species of bats use echolocation, they are not blind and have functional eyes.
Research has failed to establish a consistent link between sugar consumption and hyperactivity in children.