Science Quickly Marsquakes, Vaccine Politics and Mammoth Microbiomes
Sep 8, 2025
Explore the mysteries of Marsquakes and how they reveal the planet's geological secrets. Dive into the innovative nasal spray showing promise in the fight against COVID-19, while navigating the confusing vaccine landscape in the U.S. Discover the unexpected health risks linked to using smartphones on the toilet. Plus, learn about the ancient microbiomes of mammoths and the significance of squirrels’ thumbnails in evolution. It's a whirlwind of science that will leave you both informed and entertained!
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Mars Has A Lumpy Mantle
- InSight seismometer data revealed Mars's mantle contains large, uneven lumps up to 2.5 miles across.
- These lumps likely formed when ancient impacts melted and displaced mantle material into deep pockets.
Nasal Antihistamine May Lower COVID Risk
- A small JAMA Internal Medicine trial found azelastine nasal spray linked to a 67% lower risk of catching COVID among users.
- The study was small and funded by the spray's manufacturer, so results need cautious interpretation.
COVID Booster Access Is Becoming Confusing
- U.S. messaging about COVID booster access is mixed, which could make getting annual shots confusing and costly for some people.
- Off-label access might mean insurance won't cover boosters, reducing easy pharmacy access.