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  1. De-extinction Company Aims to Resurrect the Tasmanian Tiger

    The scientists who want to bring back mammoths now hope to revive the marsupial carnivore thylacine


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  2. Replacing Lead Water Pipes with Plastic Could Raise New Safety Issues

    Industry-related groups say plastic is a safe material to replace lead pipes, but some researchers and health advocates are not so sure


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  3. Here's How Some Species Will Survive Climate Change

    Hybridization isn’t as rare as you think, and it’s a tactic some animals can use to weather global warming


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  4. NASA's UFO Study Isn't Really Looking for Space Aliens

    A new investigation of unidentified aerial phenomena could have bigger impacts on atmospheric science than on astrobiology


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  5. Newfound Molecular Switch Signals a Thumbs-up or Thumbs-down in the Mouse Brain

    This molecule tells the brain whether to put a positive or negative spin on events. Mental disorders may result when the up/down labeling goes awry.


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  6. If T. Rex's Beady-Eyed Glare Terrifies You, It Should

    Top-predator dinosaurs of the Cretaceous may have traded big eyes for a bigger bite


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    Why Thinking Hard Wears You Out

    Concentrating for long periods builds up chemicals that disrupt brain functioning.


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  8. How to Recognize Heat Illness and Stay Cool during Extreme Weather

    Scientists and medical experts weigh in on how to recognize the signs of heat-related illness and avoid the worst health impacts from increasingly intense heat waves


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  9. When Students Acquire Spatial Skills, Their Verbal Abilities Get a Boost

    Learning to visualize objects might improve thinking in words, a finding that could enhance teaching methods


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  10. Cultural Bias Distorts the Search for Alien Life

    “Decolonizing” the search for extraterrestrial intelligence (SETI) could boost its chances of success, says science historian Rebecca Charbonneau


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  11. How Scientists Revived Dead Pigs' Organs, and What the Feat Means for Transplants

    A whole-body perfusion system restored cellular activity in pigs an hour postmortem


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  12. What Is Paxlovid Rebound, and How Common Is It?

    President Biden is part of a minority of people who have experienced Paxlovid rebound, but experts say the drug should still be prescribed for those who need it


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  13. Spiders Seem to Have REM-like Sleep and May Even Dream

    Jumping spiders have REM-like twitches when they sleep, suggesting dreams may be much more widespread in the animal kingdom than previously realized


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  14. Nearly $53 Billion in Federal Funding Could Revive the U.S. Computer Chip Industry

    The CHIPS and Science Act aims to support domestic semiconductor production, new high-tech jobs and scientific research—even NASA


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  15. The Robocalls Problem Is So Bad That the FCC Actually Did Something

    A cybersecurity expert explains how we might learn to trust our phones again


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  16. Extinction Risk May Be Much Worse Than Current Estimates

    A machine-learning algorithm predicts that more than half of the thousands of species whose conservation status has yet to be assessed are probably in danger of disappearing for good


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  17. Planetary Debris Disks Discovered with Citizen Scientists and Virtual Reality

    Members of the public are helping professional astronomers identify nascent planetary systems


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  18. A Staph Vaccine Trial Failure Shows Challenges of Stopping Common Bugs

    Learning from past failures in the development of staph vaccines may inform how other vaccines for common bugs should be developed


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  19. Genetic Counselors Scramble Post-Roe to Provide Routine Pregnancy Services without Be

    The Supreme Court decision to overturn Roe v. Wade means that prenatal advice to patients can suffer and that counselors can face lawsuits and criminal charges


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  20. With New Study, NASA Seeks the Science behind UFOs

    Although modest in scope, a NASA research project reflects shifting attitudes toward the formerly taboo subject of UFOs


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  21. Salty Sea Spray Keeps Lightning Strikes Away

    Particles of sea salt in the air could stop clouds from charging up for a lightning strike


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  22. Forensic Experts Are Surprisingly Good at Telling Whether Two Writing Samples Match

    A study to counter the lack of evidence for handwriting analysis shows it is effective if an examiner has the right training


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  23. Algorithm That Detects Sepsis Cut Deaths by Nearly 20 Percent

    Over two years, a machine-learning program warned thousands of health care providers about patients at high risk of sepsis, allowing them to begin treatments nearly two hours sooner


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    This Sticker Looks Inside the Body

    A new stick-on ultrasound patch can record the activity of hearts, lungs and other organs for 48 hours at a time


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  25. Scientists Invent a Paper Battery--Just Add Water

    A new disposable battery is made of paper and other sustainable materials and is activated with a few drops of water


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