In a stunning discovery, NASA announced there is sometimes flowing water on Mars, or at least liquid, hydrated perchlorate salts. While NASA welcomes the surprise news, there are many questions to be answered, such as where did the water come from? Is it salty like saltwater? And what exactly does this discovery mean? Hank Green attacks these questions in this edition of SciShow.
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Elon Musk, CEO of SpaceX and Tesla Motors, says we could expedite Earth’s colonization of Mars by nuking the Red Planet. Musk’s point is to make Mars habitable really quickly by nuking its poles. “The idea is the bombs would be a quick way to to terraform Mars, in other words, make the planet capable of supporting human life,” Hank Green says. Green explains in this edition of SciShow.
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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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Danger Dolan exposes the 15 worst business decisions ever because of greed, ignorance or just plain desperation. Among them was when in 1981 before the film was shot, ET director Steven Spielberg approached the Mars confectionary company to feature M&Ms as a small plot device in the film. Mars immediately declined, forcing producers of the film to go with their second choice–the Hershey Company and Reese’s Pieces. As you’ve guessed by now, Hershey profits soared in the coming months and Mars executives were left wiping egg off their faces. Checkout Danger Dolan’s compilation of 14 other poor business decisions.
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Curiosity, the nuclear-powered rover on the surface of Mars, has uncovered evidence in the giant Gale Crater of ancient life on the Red Planet. SciShow’s Hank Green discusses the mounting evidence that ancient Mars was habitable over larger areas and longer periods of time than we ever thought.
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The two biggest obstacles of sending astronauts to Mars are exposure to radiation and propulsion. SciShow’s Hank Green discusses the challenges astronauts will face on a journey to the Red Planet and the technology to overcome these obstacles.
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The Opportunity rover discovered clay minerals on the Martian surface, which points to an ancient, watery past. H/T SourceFed
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Elon Musk, CEO of SpaceX, is the world’s leading space entrepreneur. Hear how Musk plans to send millions of people to colonize Mars, as Michelle Fields talks to the tech innovator about the future of space exploration, scientific innovation and doing business in California during a recession. H/T PJTV
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Mission specialists with NASA’s Mars Science Laboratory announced that they have found, for the first time, evidence of an ancient environment on Mars that could have sustained life. Hank Green tells us the specifics in this special, super-exciting episode of SciShow News.
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