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Americapox: The Missing Plague – how did the American tribes vanish?

CGP Grey explains why so many indigenous Americans died when the colonists first came in the Americas. Most of the death work was done by the plagues. They didn’t had plagues like these before because you don’t have many animals in the Americas which could spread disease like you have in the Old Continent. Also, […]

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Genetics, stranger than you thought

Some are scared of genetics, the study of DNA and how it can be manipulated. GMOs are one of the best things people could ever conceive. Call it forced evolution or directed evolution and we’re at a point where we can create salmon which is more nutritious or plants which can handle bad weather or […]

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Yay, David Tennant, one of the Doctors in Dr. Who TV series, explains why General Relativity is important

David Tennant, who is well known for his role as one of the Doctors in the Dr. Who TV series which airs on BCC, explains the importance of General Relativity. Why do we see such a video? Because this month is 100 years since it was published by Albert Einstein. For those who do not […]

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Science craze: 7 hours of science. I dare you watch them all in one day!

Yesterday and Saturday were lazy days for me. I had some work to do, but otherwise made sure to spend hours upon hours watching documentaries, online videos of courses. In the first video you see a team from Fermilab, US talking about a specific topic, like what are neutrinos or the importance of an operator […]

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Chemistry and physics: bonds and the Periodic Table of Elements

Chemical bonds are mainly about electrons and how are they shared with the neighboring atoms. A bond is made when an electron or more are more probably to be found in an area between the atoms than around specific atoms. You cannot say that an electron jumps from one atom to the other and then […]

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Health jam: mixing drugs, vitamin supplements and the science of placebo

Mixing drugs is harmful, even deadly. Didn’t your doctor tell you that already? Mixing drugs with alcohol has the same deadly effect. People need to be very careful and ask their doctors if some drugs can be taken with other drugs. This is why it is always good to tell your doctor that you’re already […]

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What is GMO

Genetically Modified Organisms or GMO are not a bad thing. You usually take some genes from a plant and then insert them in another plant. This way the new plant will be able to grow stronger and more resistant to conditions like water shortages or certain bug attacks. GMOs are a solution for the increasing […]

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The REAL jetpack is here now: Jetpack Aviation’s JB-9

Jetpacks are not a cool scifi thing anymore. They are real and have gotten to the point of being practical. Jetpack Aviation’s JB-9 is a true jetpack in the sens that you can walk around with it, you can fly and steer it quite nicely and it offers you a nice landing. And no, you […]

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Digital audio? How do they do that?

It is not an easy task to transform audio waves into bits, but this can be done using various techniques. In the video from above we will learn about Bit Depth and Sample Frequency, two important aspects of digital audio. Basically the Bit Depth is recording the volume of the sound and splitting it into […]

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How we figured out that Earth goes around the Sun?

Astronomy. That is how. The movements of celestial bodies on the sky were not going according to the predictions of a geocentric model, a model in which Earth was at the center, and thus astronomers had to accept the fact that Earth revolves around the Sun ie the theory of heliocentrism. Now we can see […]

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