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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Black holes, where gravity becomes so intense that it overwhelms everything, are major forces in our universe. White holes, on the other hand, could be described as black holes in reverse, a virtual impossibility. But SciShow’s Reid Reimers says science has revealed that they are technically possible and, “We might have seen one.”
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There isn’t a lot known about how and when dogs were domesticated. But we do know that the process made them very different from their wild cousins, including three really weird things that are explained 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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Portuguese neurologist Antonio Egas Moniz developed a surgical procedure that was successful in advancing mental health, according to his peers. Although adopted by neuro-scientists, surgeons and scientists around the world, it was at its best irreversibly destructive and at its worst inhumane. “And yet, Moniz was awarded the Nobel Prize in Medicine for it,” says SciShow host Michael Aranda. “It’s quite possibly the most regrettable Nobel Prize ever awarded, because Moniz was given the prize for developing lobotomy.” Tune in as Aranda digs into the details.
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Has the age of dinosaur-fossil discovery passed us by. Not quite, say paleontologists, who are wondering how many species of dinosaurs are there to discover and how many fossils of them are out there.
Host Michael Aranda says the first dinosaur fossil was discovered in 1824, and over the next 150 years, paleontologists only found an average of one fossil a year. Now we’re finding an average of 15 per year. Aranda says that paleontologists calculate that between 2069 and 2102 we will have found 75 percent of the dinosaur genera, and by the mid-22nd century, 90 percent.
Tune in as Aranda explains in this edition of SciShow.
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Unbeknownst to us, there are trillions of incredibly powerful molecules working miracles in our bodies. Michael Aranda demonstrates how awesome the human organism is by giving us a fascinating look at the five most important molecules that keep us ticking in this edition of SciShow.
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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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Ever wonder how scientists date prehistoric fossils, or younger things such as dead trees? The answer is radiocarbon dating, including an advanced method known as advanced mass spectometry which has been used since the late 1970s. Host Michael Aranda explains in this edition of SciShow.
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