10 awesome science facts you didn't know
Here are just 10 awesome sicence facts and things that , most likely, you didn't know about.
Science is cool and it's also quite strange, and in this article we’re going to focus on the weird science stuff! Take a look below at things that make you wonder.
Some Europeans are immune to HIV
10% of Europeans are naturally immune to the HIV virus due to a genetic mutation. Scientists believe this mutation was a result of all the plagues in the middle ages.
We have a really long DNA
There is enough DNA in an average person’s body to stretch from the sun to Pluto and back up to 17 times! Bet you didn't know that!
Water boiling and freezing at the same time
Its real and called water's triple point. 'triple point', a penomena that occurs when the temperature and pressure is just right for the three phases (gas, liquid, and solid)
8 times more atoms in a teaspoon, then teaspoons in the ocean
There are 8 times as many atoms in a teaspoonful of water as there are teaspoonfuls of water in the Atlantic ocean. If you’d laid down end to end each water molecule from a teaspoon full you’d end up with a length of 50 billion km or 10 times the width of our solar system.
Hot and cold pouring sounds different
Hot and cold water sound different when being poured because water changes viscosity at different temperatures. It is actually a fact noticeable to the human ear if you pay attention.
When cutting grass you smell its pain
The smell that grass gives off when it's cut is actually a distress signal. The scent is actually a side effect of some serious chemical reactions. When leafy plants are harmed in any way, they release organic compounds called green leaf volatiles (GLVs).You're basically smelling the grass screaming in pain.
Sunflowers are good for treating...Nuclear Disasters
Sunflowers are what environmental scientists call hyperaccumulators– plants that have the ability to take up high concentrations of toxic materials in their tissues. Sunflowers actually pick up radioactive isotopes, so as they grow, they literally suck the radiation up out of the soil.
A single blood cell takes the body circuit in about 20 seconds
You have about 5 litres of blood in your body (at least most people do) and the average heart pumps about 70 ml of blood out with each beat. Also, a healthy heart beats around 70 times a minute. So, if you multiply the amount of blood that the heart can pump by the number of beats in a minute, you actually get about 4.9 litres of blood, which is almost your whole body’s worth of blood. In just a minute, the hearts pumps the entire blood volume around your body.
Saliva contains a painkiller more powerful then morphine
Human saliva contains a painkiller called opiorphin that is six times more powerful than morphine. The compound, seems to work by prolonging the body's own defenses against pain.
That's not the skin you were born with
In an average lifetime, human skin completely replaces itself 900 times. Depending on your size, you have roughly 1.6 trillion skin cells. Of those billions of skin cells, between 30,000 and 40,000 of them fall off every hour. Over a 24-hour period, you lose almost a million skin cells
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