Year after year, alerts have stacked: what humanity lets this jewel of nature is unforgivable
12 Aug
Science & Technology

Year after year, alerts have stacked: what humanity lets this jewel of nature is unforgivable

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Researchers fromAustralian Institute of Marine Science have just made an alarming discovery: the cover of the corals of the large barrier has dropped significantly. This new wave of degradation, fueled by a record marine heat last year, marks the sixth massive whitening crisis since 2016. But what does this phenomenon really hide? And what does this mean for the future of this natural treasure unique in the world? The large coral barrier, a natural jewel classified as a UNESCO World Heritage Site, is a real masterpiece of nature. Exhausting more than 2,300 kilometers off the northeast coast of Australia, it houses extraordinary biodiversity: corals colorscolors Vibrant, fascinating tropical fish and a multitude of marine species. But in recent years, this paradise has been in serious danger. And today more than ever. An unprecedented ecological disasterThe large barrier...
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Firefly Aerospace prices shares at $45, above the expected range
12 Aug
Science & Technology

Firefly Aerospace prices shares at $45, above the expected range

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The Blue Ghost Mission Operations Engineer, Jaxon Liebeck, showcases the Blue Ghost moon lander at Firefly Aerospace headquarters on Tuesday, Dec. 3, 2024 in Cedar Park. Houston Chronicle/hearst Newspapers | Hearst Newspapers | Getty ImagesFirefly Aerospace priced shares in its IPO at $45 on Wednesday, above its expected range. The Texas-based rocket maker will debut on the Nasdaq Thursday under the ticker symbol "FLY." The offering raised $868 million and values the company at about $6.3 billion. Fireflyfiled its initial prospectus in Julyandupped its IPO rangethis week to $41 to $43 a share, from an initial range of $35 to $39. The space technology sector has seen rising investor interest over the last few years as billionaire investors such as Elon Musk and Jeff Bezos put their money behind SpaceX and Blue Origin, respectively. So far this year, space...
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New Method Is the Fastest Way To Find the Best Routes
12 Aug
Science & Technology

New Method Is the Fastest Way To Find the Best Routes

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If you want to solve a tricky problem, it often helps to get organized. You might, for example, break the problem into pieces and tackle the easiest pieces first. But this kind of sorting has a cost. You may end up spending too much time putting the pieces in order. This dilemma is especially relevant to one of the most iconic problems in computer science: finding the shortest path from a specific starting point in a network to every other point. It’s like a souped-up version of a problem you need to solve each time you move: learning the best route from your new home to work, the gym and the supermarket. “Shortest-paths is a beautiful problem that anyone in the world can relate to,” said Mikkel Thorup, a computer scientist at the...
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This Mushroom’s Incredibly Bitter Taste Is New to Science
12 Aug
Science & Technology

This Mushroom’s Incredibly Bitter Taste Is New to Science

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The first analysis of mushroom bitterness reveals ultrapotent compounds By K. R. Callaway edited by Sarah Lewin Frasier Alexander Kurlovich/Alamy Stock Photo Ever bite into something so bitter that you had to spit it out? An ages-old genetic mutation helps you and other animals perceive bitterness and thus avoid toxins associated with it. But while most creatures instinctively spit first and ask questions later, molecular biologists have been trying to get a taste of what bitterness can tell us about sensory evolution and human physiology. A new study, published in the Journal of Agricultural and Food Chemistryis the first analysis of how taste receptors respond to a mushroom’s bitter compounds—which include some of the most potently bitter flavors currently known to science.The bitter bracket mushroom is nontoxic but considered inedible because of its taste. Researchers extracted its...
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