By therandomsci / August 19, 2020
Reality check: average temperature has climbed 0.8C around the world since 1880. Increase of carbon dioxide and other greenhouse gases emitted into the atmosphere as a result of human activity. Arctic sea ice is now thawing at historic rates, flowers are blooming earlier, and the migration patterns of birds and other animals are changing.
The U.S. government covered up a UFO crash near Roswell, New Mexico, in 1947.
Reality check: It hasn’t always been the case, but many astronomers today are open to the idea of life existing elsewhere in the universe—and even to the possibility of intelligent alien life. That’s thanks in large part to the relatively recent discoveries of hundreds of so-called exoplanets—worlds beyond our solar system—and thousands of planet candidates. Most scientists think it’s only a matter of time before a habitable, rocky, Earth-like twin is discovered.
Even our own solar system might contain evidence of alien life. NASA’s Curiosity rover recently discovered tantalizing evidence of clays and minerals that scientists say could only have formed in water. The implication: Ancient Mars had the conditions and ingredients necessary to support life.
As for UFOs, most sightings are eventually linked to more mundane causes. For example, a recent video by actor Russell Crowe purportedly capturing a UFO outside his office was likely reflected sunlight from a plane passing near sunset.
Reality Check: vaccines contain fewer substances that provoke an immune response. Which is helpful in making body strong.
Reality Check: many such “proofs” have turned out to be outright hoaxes. In 2008, two men claimed to have found a seven-foot (two-meter) tall, 500-pound (230-kilogram) Bigfoot corpse in the woods of northern Georgia, but the body was later revealed to be a rubber ape costume.
Some have pointed out that the American flag Neil Armstrong planted on the moon appears to be flapping “in a breeze” in videos and photographs.
Reality Check: “The video you see where the flag’s moving is because the astronaut just placed it there, and the inertia from when they let go kept it moving.”
https://www.nationalgeographic.com/news/2013/4/130404-american-conspiracy-theories-polls-debunk/
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