15 Answers to Creationist Nonsense | Scientific American
WebJul 1, 2002 · This article was originally published with the title “15 Answers to Creationist Nonsense” in Scientific American Magazine Vol. 287 No. 1 (July 2002), p. 94. Opponents of evolution want to make ...
What Are Chemtrails Made Of? | Scientific American
WebSep 22, 2018 · What Are Chemtrails Made Of? Believers in chemtrails say those trails are actually clouds of chemicals used by the government for nefarious purposes. But as Carl Sagan says, “extraordinary ...
The Real Reasons Autism Rates Are Up in the U.S.
WebMar 3, 2017 · The latest estimate of autism prevalence—1 in 68—is up 30 percent from the 1 in 88 rate reported in 2008, and more than double the 1 in 150 rate in 2000. In fact, the trend has been steeply ...
What the FDA Ruling about 'Dense Breasts' Means for Cancer Risk …
WebApr 10, 2023 · Women in categories C and D (about half of all women) are considered to have dense breasts under FDA guidelines. About 10 percent fall solely into D. Women in category D have a twofold to fourfold ...
How Sauropod Dinosaurs Became the Biggest Land Animals Again …
WebSep 1, 2023 · Their long necks and small heads, lack of parental care, and air-filled bodies explain why sauropods are bigger than other land animals in general. But these traits don't explain why 36 lineages ...
The U.S. Could Help Solve Its Poverty Problem with a Universal …
WebJan 6, 2023 · A basic income of $1,000/month for every person in the U.S. would have a gross cost of about $4 trillion a year. A means-tested minimum income guarantee, which phases out as earned income ...
COVID-19: How and Why the Virus Spreads Quickly
WebMar 23, 2020 · In this two-part episode, our contributing editor W. Wayt Gibbs in Washington State—a state hit early and hard by COVID-19—reports on scientists’ fast-evolving understanding of this new ...
It’s Time to Rethink America’s Corn System | Scientific American
WebMar 5, 2013 · For corn-fed animals, the efficiency of converting grain to meat and dairy calories ranges from roughly 3 percent to 40 percent, depending on the animal production system in question. What this ...
A Chronicle Of Timekeeping | Scientific American
WebFeb 1, 2006 · A Chronicle Of Timekeeping. Our conception of time depends on the way we measure it. By William J. H. Andrewes. The Sciences. Humankind's efforts to tell time have helped drive the evolution of ...
How Each of Us Can Prepare for the Next Pandemic
WebMay 11, 2021 · Opinion. The COVID pandemic has killed more than half a million people in the United States and caused the greatest economic crisis since the Great Depression. If this pandemic taught us one thing ...
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