SciShow host Hank Green explores a newly identified neurological condition, aphantasia, the inability to visualize things in your imagination, and gives tribute to Dr. Oliver Sacks, popular explorer of the human mind.
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After more than a century of observation and seven spacecrafts, people continue to see weird things on the planet Mars. Case in point was a recent photo sent our way by the Curiosity rover that appeared to show a woman standing near the edge of a Martian escarpment. Turned out to be a visual aberration, of course, but why are we seeing things that aren’t there? Rest easy, folks, it’s only pareidolia, the tendency humans have to perceive familiar images, especially faces, where none exist. Hank Green fills us in on the juicy details in this edition of SciShow.
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GMOs–genetically modified organisms–are everywhere in the universe, but are they bad for us? “They aren’t,” Hank Green says resolutely. “They just aren’t, not intrinsically, and certainly not for your health.” Green explains we’ve been eating GMOs for decades with no ill effects as he further elaborates on the process in this edition of SciShow.
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SciShow’s Hank Green tells us that uploading our brains might one day let us cheat death. Create an expanded lifetime, so to speak. The technology is a long way off, but researchers continue to close the gap. Green explains.
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After billions of dollars and years of research, why haven’t we found a cure for cancer? SciShow host Hank Green opines, “If every tumor worked the same, we would probably by now have that magic bullet that we need. The trouble is, cancers may look the same on the outside but each one develops differently in their own way and can originate in any type of tissue.” But Green says there’s still hope for progress beyond the traditional chemotherapy and radiation methods.
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Science tells us there are only eight planets in our solar system. But will advanced technology and improved telescopes prove us wrong?
“According to at least two teams of researchers, there might be a few planet-sized worlds lurking out beyond Neptune,” says host Hank Green. Some scientists theorize there is a planet at least 10 times the size of Earth out there quietly orbiting the sun. Green explains in this edition of SciShow.
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Wasn’t measles eradicated in the United States years ago? Well, it’s baaack! But how? Hank Green says the disease has been back for about two months and the Center for Disease Controls says it could gain a foothold unless we get vaccinated. The current strain, Green says, comes from the Phillipines and might well threaten an endemic in our country. Tune in to this edition of SciShow as Green explains the unlikely comeback of the disease.
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Hank Green and SciShow takes us to Gabon, Central Africa, where two billion years ago a unique set of conditions came together to form the world’s only known natural nuclear reactor. Green takes us to the Oklo Mine, site of this phenomenon, and adds, “No radiation suit needed!”
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Familiar with the terms “psycho, ocd, schizo, bipolar?” They’re terms we’ve recklessly used to insult someone, not really understanding their true definitions. Health professional say using such words minimizes serious conditions and the people who have them. In this edition of SciShow, Hank Green sets the record straight on what these words mean and tells us why it’s not cool to say the weather is schizophrenic.
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