Russell McLendon
- Indexed articles, last 90 days
- 4
- Latest publication
- Sep 11, 2026
- Outlet visibility, for Sciencealert
- Top 50K sites
- Earliest in this view
- Jul 31, 2026
Latest articles
Flushing a Toilet Can Blast Germs Up to Your Breathing Zone, Study Finds (opens the original)
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Few people go out of their way to touch a toilet. When we inevitably must, it's advisable to always wash your hands afterward, even if the toilet looks clean. That's because a toilet's daily duties tend to leave it teeming with microbes, including potentially dangerous bacteria and viruses. If you leave those germs on your hands, you could sicken yourself and others. As a new research review highlights, however, washing your hands may not always be enough. Flushing a toilet produces an upward pl
Thousands of Endangered Species Are Being Sold on Facebook, TikTok, And EBay (opens the original)
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Earth's current mass extinction has our fingerprints all over it. Humans are decimating other species in a wide range of ways, and the problem is still getting worse, with extinction rates continuing to rise. We're doing this mainly by destroying and degrading natural habitats, often with help from invasive species we've introduced. But many creatures are also being directly stolen from what's left of their homes, falling victim to the illegal – yet booming – global wildlife trade. As a new rese
Scientists Reveal The Strange Neurological Reason Your Pupils Dilate When You're Surprised (opens the original)
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Your pupils quickly dilate when you enter a dark room, letting in more light to help you see. Once you're in brighter conditions, they contract accordingly. This reflex is well-known, but pupil dilation can also happen for other, less obvious reasons. When we're surprised, for example, our pupils may dilate as if we're suddenly engulfed in darkness, part of a transient arousal response whose function and behavioral effects remain poorly understood. In a new study, researchers shed light on the l
'Within 20 Km of 2 Million People': Major Volcano Is Hiding Two Active Magma Chambers (opens the original)
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A major volcano in Nicaragua has not one but two active magma chambers, scientists reveal in a new study, shedding important light on the inner workings of a highly active volcano located near a large human population. Masaya in western Nicaragua is one of the region's busiest volcanoes, although its activity in modern times has been mostly "passive degassing, lava lake formation, and vent-clearing explosions," the study's authors write in Geophysical Research Letters. It's a basaltic shield vol
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