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Archive for the category “Dazzle Me with Science”

Seeing Things That Aren’t There

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.

Dinos: Cold Or Warm Blooded?

Scientists have debated for decades whether dinosaurs were warm-blooded creatures or cold-blooded killers. Host Michael Aranda says that it turns out dinos were somewhere in the middle. He helps solve the metabolism puzzle for these magnificent creatures in this edition of SciShow.

A Brief History Of Everything

Well-traveled astrophysicist and author Neil deGrasse Tyson offers a concise and brief history of everything, including the rapid expansion of the universe following the big bang, in this edition of Minute Physics. “We are not simply in the universe, we are part of it, we are born from it” Tyson says. “One might even say we’ve been empowered by the universe to figure itself out, and we’ve only just begun.”

Mama Black Holes

Of all the mysteries in the universe, scientists’ theory that baby universes are born in black holes ranks right up there with the most peculiar. Granted, our greatest minds still grapple with what black holes are and what they do, but the recent theory that they give birth to baby universes has some merit. If the theory is true, that means our universe is inside a black hole, which is inside a black hole, which is inside a black hole … and so on. In the following edition of Top Tenz, the confusion is unraveled, along with nine other mind-bending theories about the universe.

The Mysteries Of Pluto

The success of the New Verizons Probe’s Pluto flyby has already provided us with more information about the dwarf planet and its largest moon, Charon, than in the past 85 years. “From what we’ve seen so far, at least one thing is for sure, we’re going to have to completely change the way we think about planetary geology,” says Reid Reimers. He divulges the details in this edition of SciShow Space.

Chasing Eternal Youth

Aging isn’t as universally a fact of life as we think. Naked mole rats, lobsters and rock fish, for instance, seem to stay forever young, or at least middle-aged. Says Henry Reich of Minute Earth, “Their anti-aging secret may have to do with their ability to rebuild the DNA caps on their chromosones. These caps, called telomeres, are one line of defense in many species.” But all these critters, including humans of course, will ultimately meet their end, because it’s possible to be immune to aging but not to death.

Eating GMOs Perfectly Healthy

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.

Extraterrestrial Land Grab

While space probes make gigantic strides in gathering interstellar data, it’s only a matter of time before humans begin migrating to other extraterestrial planets and moons, including our own. So that begs the question, Who owns these planets and moons? Believe it or not, there is an official compact addressing this very issue called the Outer Space Treaty. Says Michael Sevens of Vsauce, “One-hundred, twenty-nine nations have signed or ratified the 1967 Outer Space Treaty, which says outer space is not subject to national appropriation. It says nothing about a private individual or a company owning part of outer space.” Steven delves into the details and documents in this edition of Vsauce.

Questions Left Unanswered

In 1920, legendary poet Robert Frost once asked in one of his works whether the world will end in fire or ice? Nearly 100 years later, physicists still can’t answer this question,although many theories abound. This is one of 10 mysterious questions that the planet’s most brilliant minds still quarrel over. Check out nine other scenarios in this edition of Top 10 Archive.

How to Upload Your Brain

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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