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Some of the greatest scientific discoveries haven't resulted in Nobel Prizes. Louis Pasteur, who lived from 1822 to 1895, is arguably the world's best-known microbiologist. He is widely credited for the germ theory of disease and for inventing the process of pasteurization — which is named after him — to preserve foods. Remarkably, he also developed the rabies and anthrax vaccines and made major contributions to combating cholera.
Shortages of basic goods still plague the U.S. economy — 2 1/2 years after the pandemic's onset turned global supply chains upside down. Want a new car? You may have to wait as long as six months, depending on the model you order. Looking for a spicy condiment? Supplies of Sriracha hot sauce have been running dangerously low. And if you feed your cat or dog dry pet food, expect empty shelves or elevated prices.
The title of oldest tree in the world is, surprisingly enough, up for grabs. Since about 2018, a majestically gnarled bristlecone pine in California has held the designation, only to be usurped by a new up-and-comer discovered on a Swedish mountaintop. Not to be outdone, a controversial find in a Chilean forest has tree aficionados wondering whether an ancient cypress could actually be hundreds — yes, hundreds — of years older than any known living tree in existence.
For decades, practitioners of radiocarbon dating have exploited a signal dubbed the "silver lining" of atomic weapons tests conducted in the 1950s. As blast debris mushroomed into the air, particles of radioactive carbon-14 entered the atmosphere. This fallout created the so-called bomb pulse. The atmospheric carbon-14 concentration spiked during the 1950s and early 1960s, followed by a gradual decline after the Limited Test Ban Treaty was signed in 1963.
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Rising global temperatures fueled by climate change have caused catastrophic droughts from Arizona to Iraq. Lake Mead just outside Las Vegas, for instance, is the reservoir spanning the border between Arizona and Nevada, and the largest by volume in the U.S. According to the U.S. Bureau of Reclamation, Lake Mead was just 28 percent full Sept 5.
It's hard to imagine life on Earth without the moon overhead each night. Though the moon seems an omnipresent object in the night sky, it actually goes through a number of phases and has a unique set of steps in the celestial dance of our solar system. If you've ever...
If you're familiar with the enduringly popular Assassin's Creed video game franchise, you know all about the secret society of the Assassins. It's been battling another clandestine organization, the Templars, throughout most of human history. In the video game, the assassins are well-trained killers with impressive Parkour skills and the...
Nicaragua found itself even more isolated on the international stage Saturday after saying it would deny entry to the ambassador appointed by Washington and then severing diplomatic ties with the Netherlands. Declared persona non grata on Friday, EU ambassador Bettina Muscheidt left Nicaragua Saturday on a commercial flight to France via Mexico City.
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Although it still feels like beach weather across much of North America, billions of birds have started taking wing for one of nature's great spectacles: fall migration. Birds fly south from the northern U.S. and Canada to wintering grounds in the southern U.S., Caribbean and Latin America, sometimes covering thousands of miles. Other birds leave temperate Eurasia for Africa, tropical Asia or Australia.
Charles III became the king of the United Kingdom Sept. 8, 2022, having spent almost all of his 73 years preparing for this role, watching the example of his mother, Elizabeth II. Yet, he faces an uncertain course as monarch. The legacy of Charles' mother is complex. While her presence...