5 Myths About Science You Learned in School

...Occasionally, though, you'd pick up on stuff, like how there are 9 planets (lot of good that info turned out to be) and the moon isn't really made of Swiss cheese. Well as it turns out, teachers are full of it sometimes. Here's why:

1. Blind As A Bat

science myths

From an early age, I've been told that bats get around by using echolocation, which is sometimes true (not all bats even use echolocation). What I was not told, however, is that bats can see with their freaking eyes just fine (#learning-life-the-hard-way). As it turns out, bats cannot only see everything that you or I can, but they can also switch to night vision and even infrared modes to hunt down their next victim like a predator drone.

2. Dogs Are Color-Blind

science myths

Another animal myth I've heard all of my life is that dogs can only see in black and white, or at least in shades of grey. As it turns out, that's just not true. While dogs cannot see as many colors as humans can, they can make out a variety of yellows, greens, reds, and blues (well actually, just one shade of blue).

3. Got Milk?

science myths

Remember those posters all over the school cafeteria reminding you to buy more milk because calcium makes your bones stronger? Well apparently, that was just pure false advertising. While calcium does make your bones stronger, milk isn't a very good source of it. In fact, researchers at the Physicians Committee for Responsible Medicine did a study just to make sure and found that increased milk consumption does pretty much diddly squat for your bones.

4. Toilets In Australia Spin In The Opposite Direction

science myths

To illustrate a weather phenomenon known as the Coriolis Effect, Earth Science teachers have, for years, been spreading this false concept that toilet drains in the Southern hemisphere whisk your latest bowel excrements away to a magical place called Never-Have-To-Think-About-It-Again Land in the opposite direction as the ones in the Northern hemisphere. While tornados, hurricanes, and other fast-spinning typhoon-related words do spin in the opposite direction, toilet drains are too small to be affected by this effect.

5. Blood Is Actually Blue

science myths

Hold up your hand. See that blue crap running down the inside of your wrist? Blood must be blue, right? Wrong. See, teachers and other poorly-educated elderly folks have long been explaining this observation away as "blood turns red when it hits the air because the oxygen makes the iron rust" or some other mostly believable story. What actually happens, though, is that light passing through your translucent skin makes the blood look blue. Blood is always red, whether it's on the inside or the outside. At least human blood, anyway.


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