What Is Pi, and How Did It Originate? | Scientific American
WEBMay 17, 1999 · The Sciences. Succinctly, pi—which is written as the Greek letter for p, or π—is the ratio of the circumference of any circle to the diameter of that circle. Regardless of the circle's size ...
Flat Earthers: What They Believe and Why | Scientific American
WEBMar 27, 2020 · Flat Earthers: What They Believe and Why. Michael Marshall, project director of the Good Thinking Society in the U.K., talks about flat earth belief and its relationship to conspiracy theories and ...
The Inner Life of Cats - Scientific American
WEBOct 1, 2018 · Cats and dogs belong to a group of mammals known as Carnivora, and the wild ancestors of both species dined primarily on meat. Recent DNA analyses indicate that over the course of their evolution ...
How Scientists Discovered the Staggering Complexity of Human …
WEBEvolution. In 1859, 14 years after the founding of this magazine, Charles Darwin published the most important scientific book ever written. On the Origin of Species revolutionized society's ...
Biology - Scientific American
WEB5 days ago · Biology coverage from Scientific American, featuring news and articles about advances in the field.
Strange but True: Earth Is Not Round | Scientific American
WEBApr 12, 2007 · Isaac Newton first proposed that Earth was not perfectly round. Instead, he suggested it was an oblate spheroid—a sphere that is squashed at its poles and swollen at the equator. He was correct ...
How Does Wind Energy Work? - Scientific American
WEBAug 8, 2019 · Let’s take a look at how wind turbines work and some of the potential pros and cons. Wind power actually starts with the Sun. In order for the wind to blow, the Sun first heats up a section of ...
How Long Can a Person Survive without Food? - Scientific American
WEBNov 8, 2004 · Since that time, many other incidences of discontinuing sustenance in patients in a PVS have been reported and death typically occurs after 10 to 14 days. (If the individual is dehydrated or over ...
How To Treat COVID at Home | Scientific American
WEBMay 13, 2022 · Ideally, people should retest at home beginning five days after the first positive test until they get a negative one. Altogether, this could take 10 days or more. (Myers was negative on day nine ...
Your Brain on Porn and Other Sexual Images - Scientific American
WEBAug 19, 2015 · Here are the details on 3 studies that examined the brain on porn and other sexualized images.>. Study #1: Your Brain On Porn. In May 2014, a study in the prestigious journal JAMA Psychiatry was ...