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Snakes have two penises. Top 10 snake facts

Maddie presents us Top 10 snake facts and the one that really catches attention is the fact that they have two penises, although they do not use both at the same time. It seems they use only one at a time. Other snake facts from Earth Unplugged: – snakes do not have eyelids – their […]

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Veritasium: why women are stripey

Veritasium explains what DNA is and how the genetic code of women gets to be divided inside their body. The extra X chromosome the women have in XX, as opposed to XY in men, will play a role in how stripey the cells of a woman will be. If the X chromosome that came from […]

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Karl Landsteiner, the guy who classified blood types

More than a hundred years ago, a very intelligent man named Karl Landsteiner discovered that we, humans, have different blood types and categorized them into: A, B, AB and O. Knowing the blood type allows us to make safe transfusions from human to human without harming the one receiving the new blood. In 1901 Karl […]

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SciShow Space: what is gravitational lensing

Caitlin Hoffmeister, from SciShow Space, explains us what gravitational lensing is. Gravitational lensing is a process through which light gets bent in its path if it goes past a massive object like a star or like a galaxy. An object behind the star of galaxy might be seen even though you do not have direct […]

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Are you alone in the Universe? Science says NO!

And why is that? You are not really alone, scientifically speaking, because you share a lot of things with the entire Universe. You share DNA code with all the living things on Earth, you share atoms with the Sun and the planets and you share a ton of characteristics with the people in your own […]

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Manhattanhenge feat. Neal deGrasse Tyson

Manhattanhenge is a term given by Neal deGrasse Tyson on American Museum of Natural History’s site to the alignment of streets in the East- West direction in Manhattan, where you can see, twice a year, how the sunset lines up with New York City’s street grid showing spectacular views. From SciFri: Neil deGrasse Tyson, director […]

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The original World Wide Web: the Silk Road

No, it is not about the Silk Road of the Deep Web, it is about the original Silk Road a many thousands long road that connected Asia to Persia and to modern day Turkey. That road was used for centuries by tradesmen to send goods from the roman Empire to China, India, Persia and then […]

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NASA plans to use inflatable heat shields to deliver bigger payloads to Mars

Bigger is always better. The future astronauts really need a ton of gear if they want to survive on the killer planet Mars. NASA plans to use what it is calling a Hypersonic Inflatable Aerodynamic Decelerator, or HIAD. That is basically an inflatable shield which is currently tested in NASA’s Armstrong Flight Research Center. They […]

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The Coandă effect: how a ping pong ball can float on air

The Coandă Effect is the tendency of a fluid jet to be attracted to a surface. When you put a ping pong ball on over the nozzle of the vacuum cleaner that pushes air through that nozzle, then the ping pong ball will stay put in there. It will float on air due to this […]

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Thomas Edison, the business man who reinvented the world

It is a known fact that Thomas Edison was a great businessman and that he also improved on previous inventions. You would believe that he was the father of the electric age, but it was Nikola Tesla, one of the greatest geeks of all times, who invented alternate current to send electricity far away. Thomas […]

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