Why Does Cracking Your Knuckles Make So Much Noise- Science Finally Has an Answer

There aren’t any awards to be won for solving science’s minor mysteries—why yawning is contagious, why puppies make us melt—but that doesn’t mean we don’t want the answers anyway. Add to those everyday puzzles the matter of knuckle-cracking. Why, exactly, should some of the body’s smallest joints produce such an outsized racket?

Now, a study in Sc…

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There’s Good Reason to Be Optimistic About Omicron

Over the past couple of weeks, I’ve started to notice twinges of a feeling to which I have become unaccustomed. At first I thought it was indigestion, but I’m beginning to think it is actually cautious optimism. That’s because the recent Omicron surge underscored how well our COVID-19 vaccines are working.

Omicron was first documented in Botswana and South Africa in late…

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Walmart Announces Its Own Brand of Analog Insulin

Walmart Inc. will offer its own brand of analog insulin for people with diabetes, an effort to boost its pharmacy business and counter Amazon.com Inc.’s recent push to sell more medications.

The world’s largest retailer will begin selling ReliOn NovoLog this week in its U.S. pharmacies with a prescription, Walmart said in a statement Tuesday. The medicine will cost between 58%…

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Why ‘Breakthrough’ Infections Even After COVID-19 Vaccinations Shouldn’t Be Surprising

In a recent Morbidity and Mortality Weekly Report (MMWR), researchers at the U.Sคำพูดจาก เว็บสล็อตเว็บตรง. Centers for Disease Control (CDC) provide the first wide-scale look at the number of so-called “breakthrough infections”—COVID-1…

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The Science We Need to Save Migratory Birds

Migratory birds are almost a perfect metaphor for hope—so much so that Emily Dickinson’s line “hope is the thing with feathers” has become a cliché. Every year, just when we feel like the cold, gray months of winter may never end, migratory birds return from their wintering ranges to refill our fields and forests with color and song. In the darkest spring of my li…

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Why People Used to Be Afraid of Solar Eclipses

Americans eagerly anticipating the first total solar eclipse visible in the contiguous U.S. since 1979 — and the first to cross the country from coast to coast in 99 years — may know well know that what they’re watching is the moon simply passing in front of the sun. But even so, as long as eclipses have occurred, humans have interpreted them as a sign of something.

As T…

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World Leaders on Edge as Trump Wavers on Climate Deal

As President Donald Trump weighs whether to keep U.S. in the Paris Agreement on climate change, leaders across the globe are preparing for the potential fallout.

Top White House aides are expected to meet this week to debate the new administration’s position, and a decision is expected before the end of May. During the campaign, Trump promised to pull the U.S. out of the landmark 20…

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You Can Now Calculate Your Grocery List’s Carbon Footprint

What if we could pick up a bag of chips at the grocery store, and know, just by looking at the label, the climate impact as well as the calorie count? We aren’t there yet—at least not for most products in the United States—but a new web-based tool released by Swedish climate intelligence company CarbonCloud is bringing us closer to being able to calculate the greenhouse gas em…

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Why the U.S. Is Betting on Booster Shots

By now, many public health experts, and the public for that matter, have accepted that vaccinated people may need another dose of whichever COVID-19 shot they received in order to better protect against new variants of COVID-19. And on Aug. 18, the White House endorsed a third dose for those who received either of the two-dose Pfizer-BioNTech or Moderna vaccines. People who received the single-…

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