Environment
Older diesel school buses linked to more student absences
Schools that replaced or upgraded old diesel school buses increased student attendance rates, new research shows.
Health & Medicine
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PlanetsResearch on exoplanets took top award at 2023 Regeneron ISEF
Six young researchers took home the top awards, each valued at a minimum of $50,000. Hundreds more shared nearly $9 million in prizes at international event.
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Health & MedicineNew patch might replace some finger-prick testing of blood sugar
A finalist at Regeneron ISEF created a wearable patch that turns yellow when someone’s blood-sugar level gets high enough to need an insulin shot.
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Health & MedicineHand dryers can infect clean hands with bathroom germs
Hot-air hand dryers are a haven for microbes. A finalist at Regeneron ISEF found that these machines spray germs all over freshly washed hands.
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MicrobesScientists Say: Virus
A virus must take over a living cell's machinery to make more viruses.
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Health & MedicineFentanyl deaths have spiked among U.S. kids and teens. Here’s what to know
A pediatrician discusses how teens can protect themselves and their friends from this extremely deadly drug.
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HumansHow fingerprints form is no longer a mystery
A mathematical theory proposed in the 1950s helps explain how fingerprint patterns such as arches, loops and whorls arise.
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ChemistryScientists Say: PFAS
Non-stick coatings, stain-resistant cloth and other common materials leach long-lived PFAS into soil and water.
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BrainIngredients in popular snack foods can make them addictive
Researchers find that highly processed foods rich in sugar and added fat may be as addictive as tobacco.
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Health & MedicineHow to be heat-safe when playing sports
Protecting young athletes from overheating is getting more important as climate change turns up the temperature.