Originally published in January 1898 Credit: Scientific American Advertisement “The remarkable process of crushing and magnetic separation of iron ore at Mr. Thomas Edison’s works in New Jersey shows a characteristic originality and freedom from the trammels of tradition. The rocks of iron ore are fed through 70-ton ‘giant rolls’ that can seize a 5-ton […]
In the midst of rapidly rising case counts and hospitalizations during the COVID-19 pandemic, a small but incredibly loud segment of U.S. society has adamantly refused to wear masks. Many of them are men, who seem to view masks as emasculating face condoms that must be rejected. For example, a look at Donald Trump’s debacle […]
Daniel Griffin, an infectious disease specialist, was standing with a group of physicians outside the doors of the intensive care unit at Plainview Hospital on Long Island, N.Y., in late February. Layered in protective gowns, masks, and gloves and standing six feet apart to maintain social distancing, the doctors swapped stories about their COVID-19 patients. […]
New coronavirus infections have soared to their highest levels in five states, as some leaders pause plans to reopen businesses further. The record highs—in Arizona, Florida, Georgia, Nevada, and South Carolina—mark a concerning rise in cases that is now stretching into its third consecutive week. More than 2.5 million people in the United States have […]
Quick: Rate how much you agree with each of these items on a scale of 1 (“not me at all”) to 5 (“this is so me”): It is important to me that people who hurt me acknowledge that an injustice has been done to me. I think I am much more conscientious and moral […]
In Malaysia, it’s happening so a housing development can be built. In Albania, it’s to make room for an airport. And in both Brazil and the United States, it’s to extract more minerals and fossil fuels. These are some of the reasons that governments have given for shrinking or eliminating protected areas in recent months, […]
Halo Sport is a brain stimulator that claims to helps you develop muscle memory faster. On their website, they say: You can gain skill, strength, and endurance 45% faster. You can also break through plateaus and set PRs Using their product will also increase neuroplasticity and accelerate learning in the motor cortex And […]
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This is Scientific American’s Science Talk, posted on June 27, 2020. I’m Steve Mirsky. On this episode: WILLIAMS CLIP That’s Florence Wiliams. She’s a journalist and the author of the 2017 book The Nature Fix: Why Nature Makes Us Happier, Healthier and More Creative. America’s professor and author emeritus of nature, Edward O. Wilson, said […]
What is Polycystic ovarian syndrome (PCOS)? Unfortunately, Angie, you’ve got plenty of company. Polycystic ovarian syndrome, or PCOS, is a condition that affects up to 1 in 10 women of child-bearing age. In a nutshell, PCOS is characterized by hormonal imbalances, involving not just the reproductive hormones (like estrogen and testosterone) but also hormones that regulate blood […]