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 ...
Scientific American
WEB6 days ago · Scientific American is the essential guide to the most awe-inspiring advances in science and technology, explaining how they change our understanding of the world and shape our lives.
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 ...
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 ...
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 ...
See the Highest-Resolution Atomic Image Ever Captured
WEBJun 28, 2021 · Cornell University. August 2021 Issue. Particle Physics. Behold the highest-resolution image of atoms ever taken. To create it, Cornell University researchers captured a sample from a crystal in ...
What Happens in the Brain During Sleep? | Scientific American
WEBSep 1, 2015 · Sleep serves to reenergize the body's cells, clear waste from the brain, and support learning and memory. It even plays vital roles in regulating mood, appetite and libido. Sleeping is an integral ...
What We’ve Lost: The Species Declared Extinct in 2020
WEBJan 13, 2021 · The NSW government still lists it as “. presumed extinct. ,” but the IUCN placed it fully in the “extinct” category in 2020. Nazareno (Monteverdia lineata) —Scientific papers declared ...
Why is the earth's core so hot? And how do scientists measure its ...
WEBOct 6, 1997 · Earth. There are three main sources of heat in the deep earth: (1) heat from when the planet formed and accreted, which has not yet been lost; (2) frictional heating, caused by denser core ...
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 ...