The 5-Second Rule
The idea that you have exactly 5 seconds to eat food dropped on the floor before bacteria leap onto it has been debunked by Rutgers University researchers. They found that bacteria transfer instantly. It s best to grab a fresh slice instead!
Humans Only Use 10% of Their Brains
Experts at Scientific American call the 10 percent myth almost laughable. While using 100% of our brains at once would be like having a seizure, we do use all parts of our brain, just not all at the same time.
Cracking Your Knuckles Causes Arthritis
No, cracking your knuckles doesn t increase your risk of arthritis, according to Harvard Health. The noise is from bubbles bursting in the joint s lubricating fluid.
Goldfish Have Terrible Memories
Contrary to popular belief, goldfish have good memories. Oxford University researchers found that goldfish can remember learned tasks for food rewards, far longer than a few seconds.
Lightning Never Strikes the Same Place Twice
Actually, lightning can and does strike the same place more than once. The Weather Network explains that certain spots are more conductive or higher, making them more likely to be struck multiple times, even within a single storm.
Vaccines Cause Autism
The claim that vaccines cause autism originated from a discredited scientist trying to discredit a specific vaccine to promote his own version. The Mayo Clinic confirms that vaccines are a safe.
Bananas Grow on Trees
Banana plants are not trees but large herbaceous plants called palms. These palm trees are more accurately giant, woody herbs, related more closely to grass than to trees.
Dogs See in Black and White
Dogs can see some colors, particularly yellow and blue, but lack the light receptors for red and green, according to Big Think. So, if you re making your dog a birthday card, include some yellow to make it pop!