13 Science Facts That Everyone Knows But Are Actually False!

Thanks to the advent of the internet, there are one too many scientific sounding facts that aren’t true floating around. Every day our FB pages are littered with articles that tell you how bad coffee is for your system and then the very next day explain how brilliant coffee is for your health. Some of these false science facts have been floating around for so long we’ve come to consider them to be true. Here are 13 science facts that everybody thinks is true!

1. Lightning doesn’t strike the same place twice

Lightning can strike a location a lot more than once. Given the time, the odds are lean towards this being more likely. It may take as little as less than ten minutes within a single thunderstorm, or longer than a million years – but lightning will eventually strike the same spot again and again.

Lightning_jbhostetterImage Credit – jbhostetter

2. The tongue has specific taste zones

We were taught in school that the tongue has certain specific taste zones for different tastes. This is completely false. Scientists have discovered that there are thousands of taste sensors covering the tongue with a capacity to understand thousands of tastes.

Draw-Mouths_wikihowImage Credit – wikihow

3. Blood in your veins is blue

We’ve always been led to believe that the blood in our veins is blue in colour. This is another wrong fact we believe in. The only reason our veins appear bluish is due to light wavelengths being filtered differently by the skin.

nyt-wir-veins-bottom_alumni.media.mitImage Credit – alumni.media

4. Your fingers swell up from water

The reason our fingers swell up and get wrinkly isn’t because the skin absorbs water. New research has revealed that it’s an autonomic nervous system reaction.

i.kinja-imgImage Credit – kinja

5. Gum takes 7 years to digest

This age old wives tale that somehow turned into a fact claims that when we swallow chewing gum it resides in our stomach for up to 7 years. Truth is, it gets digested like any other food product.

Swallow-your-gum_lafitness.files.wordpressImage Credit – lafitness.files.wordpress

6. Bats can’t see

This false fact which is derived from the expression ‘blind as a bat’ is a common fact known to all of us. However the truth is that even though they use bio sonar to hunt, they have a pretty decent eyesight!

 

dayre (1)Image Credit – dayre

7. Bulls are driven mad by red

Thanks to the many cartoons we’ve seen where a red flag or dress is all that is required to piss of an angry bull, we’ve come to believe that bulls hate the colour red. Truth is, they are actually distracted by the moment of the cloth!

 

media.web.britannicaImage Credit – britannica

8. The asteroid impact killed off all the dinosaurs

While many think that the dinasours went extinct due to a major asteroid impact, the truth is that the asteroid just hit at a bad time when dinosaur ecosystems had been weakened by a loss of diversity.

news.nationalgeographicImage Credit – nationalgeographic

9. Drinking alcohol warms you up

We’ve all seen one too many of our friends tell us that alcohol is the best way to keep warm in the cold. However, that fact is false. Truth is alcohol actually lowers your core temperature.

travellerImage Credit – traveller

10. Don’t go swimming for 30 minutes after eating

A false fact that we’ve heard many of our parents and relatives tell us. Originally appropriated so you wouldn’t get cramps, the truth is it’s highly unlikely unless you are doing the kind of swimming that professional swimmers do!

eating-after-swimming_www.katebaerImage Credit – katebaer

11. Humans only use 10% of our brains

Although there’s no definitive culprit to pin the blame on for starting this legend, this is ancient false fact that has stuck through the years. It turns out though, that we use virtually every part of the brain, and that most of the brain is active almost all the time!

i.ytimgImage Credit – ytimg

12. We have five senses

While the myth propagated is that we only have five senses. Namely, smell, taste, sight, hearing and touch. In reality those we have a way lot more senses. In fact we have up to 21 senses!

www.scaaImage Credit -scaa

13. You can see the Great Wall of China from the moon

Another popular myth that the Chinese have slid in to the fact section is the idea that we can see the Great Wall of China were we to view the earth from the moon. However, it has been confirmed by many astronauts that this just isn’t true!

worldalldetailsImage Credit – worldalldetails
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