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  1. Assessing COVID Risk and More with Air Quality Monitors

    The consumer devices track pollutants as well as CO2—a proxy for potentially virus-laden human breath

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  2. FAST, the World's Largest Radio Telescope, Zooms in on a Furious Cosmic Source

    China’s Five-hundred-meter Aperture Spherical radio Telescope has detected more than 1,600 fast radio bursts from a single enigmatic system

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  3. The Smartest Way to Use Rapid At-Home COVID Tests

    The self-administered tests are sold over the counter, holding out the promise of safer gatherings. But interpreting results requires savvy

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  4. New Universal Force Tested by Blasting Neutrons through Crystal

    A recent experiment has placed the best-yet limits on the strength of a long-sought fifth fundamental force

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  5. 'Auroral' Exoplanets Could Help Boost Searches for Alien Life

    Four candidate worlds found via flashes of radio emission may be the first of many revealed by a new planet-hunting technique

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  6. Mammoths Roamed when Humans Started Using Tobacco at Least 12,300 Years Ago

    A dig in the Nevada desert finds telltale seeds at the site of a late Paleolithic hearth

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  7. Pandemic Year 1 Saw a Dramatic Global Rise in Anxiety and Depression

    2020 in hindsight witnessed a disproportionate mental health burden on women and young people

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  8. 2021 Medicine Nobel Prize Winner Explains the Importance of Sensing Touch

    Ardem Patapoutian shared the physiology or medicine prize for work on mechanisms crucial to everything from bladder control to knowing where our limbs are

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  9. NASA's Perseverance Rover Finds Signs of Epic Ancient Floods on Mars

    New results from the mission reveal that its landing site of Jezero Crater has a surprisingly dynamic and complex hydrologic history

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  10. Why the Physics Nobel Honored Climate Science and Complex Systems

    The prestigious award finally recognizes work that helped scientists understand climate change and, more broadly, find order in disorder

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  11. Physics Nobel Honors Breakthroughs in Understanding Climate and Other Complex Systems

    Half the award goes to Giorgio Parisi for his studies of disorder and chaos. The remainder is shared between Syukuro Manabe and Klaus Hasselmann for modeling global warming and climate variability
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  12. Vaccination Protects Pregnant People and Their Babies from Severe COVID

    Studies show the vaccines against the disease not only can be safely given to people who are expecting but can also save lives

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    How Pandemic Life Mimicked Pioneer Times

    Sourdough, seeds, shovels and other basic survival needs made a comeback

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    New Molecular Tool Kit Wins Chemistry Nobel

    Two chemists devised a faster, cleaner and more precise way to construct drug molecules and other modern materials

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  15. Experimental Brain Implant Could Personalize Depression Therapy

    Symptoms subsided for one woman after a carefully targeted neural circuit was stimulated

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  16. An Inventory of All the Brain Cells That Let You Run, Jump and Roll

    A project to map the motor cortex used the widest range of tools for probing brain cells ever deployed in a single, coordinated effort

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  17. Biosphere 2: The Once Infamous Live-In Terrarium Is Transforming Climate Research

    Despite its controversial past, the quirky desert facility is becoming increasingly relevant as it turns 30

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  18. 2021 Nobel Prize in Physiology or Medicine Awarded for Discoveries in Sensing Tempera

    David Julius’s and Ardem Patapoutian’s research revealed the molecular basis of these basic senses

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  19. Fringe Doctors' Groups Promote Ivermectin for COVID despite a Lack of Evidence

    The organizations touting unproved protocols for the antiparasitic drug may be harming vaccination efforts

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    Can Psychedelic Drugs Treat Physical Pain?

    LSD and psilocybin increasingly show promise as mental health treatments. Now universities and companies are exploring their use in pain management

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    Even Rocket Launches Can't Escape COVID

    Pandemic-spawned supply-chain disruptions are delaying launches and development of satellites, lunar rovers and interplanetary missions

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  22. How Climate Change Helped Fires Cross the Sierra Nevada for the First Time

    High, rocky peaks are no longer an insurmountable hurdle for ever fiercer flames fueled by heat and drought

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  23. Why We Need to Upgrade Our Face Masks--and Where to Get Them

    High-quality respirators such as N95s and K95s are now widely available and provide the best protection against COVID, according to experts. Why aren’t more people wearing them?

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  24. Suicide Rates Rise in a Generation of Black Youth

    Multiple causes underlie a disturbing trend. The increase for girls is more than double that for boys

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  25. Living 'Bee Fences' Protect Farmers from Elephants, and Vice Versa

    A string of hives between posts can fend off the pachyderms better than other deterrents, research shows

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