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How does soap work?

Brain Stuff explains: soap is basically a salt with this name. Soap is made of an acid, which is in fact one type of fat, and of a base, a sodium hydroxide. The acid and the base brought together create the salt called soap. This salt attaches itself to fats and oils and to water […]

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A star within a star? We finally got to see this too: a Thorne–Żytkow object

Scishow space reports that a Thorne–Żytkow object had been discovered. It is a star within a star. Basically what we have here is a star that exploded into a supernova and a neutron star remained as a result. That neutron star was then engulfed by a red supergiant from the binary system they were in […]

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Water inside Earth’s mantle? Un-freakin-believable

Several science websites, among them New Scientists and University of Alberta, have reported that there is water in the mantle, 700 kilometers beneath our feet. Steven Jacobsen of Northwestern University in Evanston, Illinois, says that the water is trapped inside a blue rock called ringwoodite. And that is liquid water, if you ask. Wow, that […]

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I didn’t knew that: bright light can make you sneeze

SciShow comes again with some interesting facts about the world we live in. In some cases, if we get into the bright light from a darker pace we might start sneezing and this can happen because of the way the trigeminal nerve, the one that handles our face, interacts with the optical nerve, since they […]

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A short history of dinosaurs

Dinosaurs – BBC Explainer from The Brothers McLeod on Vimeo. Kuriositas published a blog post recently from which we can learn more about dinosaurs history. Dinosaurs existed in a period called mezozoic, which is divided into other three time frames, each with its own type of dinosaurs: triassic, jurassic, cretaceous. After the dinosaurs disappeared 65 […]

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Don’t hold your farts

It doesn’t do any short term big damage if you keep those farts in you, but it is better to release them in the wild as often as you can as it can lead to some issues with your digestive system. In order to decrease the numbers of farts, try to eat less carbohydrates – […]

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What is dark matter?

Psysics Girl explains us what dark matter is and how they could know suck a thing really exists. Dark matter seems to be composed on wimp – weakly interacting massive particles and it does not interact with electromagnetic radiation. You only know it is there because it causes a gravitational pull on things. The scientists […]

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Learn a new way to do math

You draw a rectangle with several sections and the area summed up is the total of the multiplication. It is far easier to calculate 63*47 this way. Via Business Insider.

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Nanoscale: how salt cubes look fancy in a scanning electron microscope

Some things, like atoms and molecules are way too tiny to look at them using regular optical microscopes. This is where the scanning electron microscope comes into place. It sees the charges of the atoms and then is able to create a map of those charges. The map that results is a representation of those […]

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Mosquito facts: only the female mosquitos suck and they have even preferences

Hank Green explains why the mosquitos are dangerous, since they help parasites and viruses spread and since dozens of millions of people die each year because of the mosquito bites. One thing to note: only the female mosquitos suck blood, because the male mosquitos have something better to do. Also, these female mosquitos tend to […]

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