Evidence of the economic opportunities that a circular economy could bring is mounting. The potential environmental impact is also clear. The move to a circular economy—a system that aims to reduce, reuse and recycle materials—could address 70% of global...
A beaver stands on top of its dam. (Image credit: Troy Harrison via Getty Images)Beavers are renowned for building dams, which the animals construct from trees and branches they cut using their strong front teeth, according to the National...
Grief is something nearly everyone will experience at some point in their lives. It can be overwhelming and confusing, and it can make the death of a loved one difficult to navigate. But when someone is experiencing grief, what...
The following essay is reprinted with permission from The Conversation, an online publication covering the latest research. Editor’s Note (12/20/22): This article is being repromoted in light of the fact that former film producer Harvey Weinstein was...
Sixty years ago, at the height of the Cold War, U.S. military scientists achieved a major feat. They extracted a mile-long slender cylinder of ancient ice from the heart of the Greenland ice sheet—the first ice core ever to...
Just like many of our readers, Scientific American editors love our dogs, cats and other pets (just try to stop us from sharing cute photographs). We also enjoy learning about why they do the funny things they do or...
Most people have two sex chromosomes, either two X’s or an X and a Y, which give rise to female or male biological attributes on a spectrum. Studies suggest these chromosomes also have much broader effects, contributing to processes...
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