Life on Mars May Have Been Its Own Worst Enemy

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October 28, 2022

Extraterrestrial Life Life on Mars May Have Been Its Own Worst Enemy A new study suggests that billions of years ago microbes may have thrived on Mars before succumbing to freezing temperatures of their own making By Allison Gasparini

Psychology Why Do People Love Gross and Scary Things? Going out of your way to get grossed out might seem to contradict human nature. But it serves a strong evolutionary purpose By Bradley J. Irish,The Conversation US

Fossil Fuels Utility Explores Converting Coal Plants into Nuclear Power The large utility PacifiCorp is studying the viability of turning five fossil-fuel plants into nuclear-energy-and-storage facilities By Benjamin Storrow,E&E News

Plants How to Grow a 2,560-Pound Pumpkin Prizewinning great pumpkins are approaching 3,000 pounds as growers perfect the process By Daniel Leonard

Archaeology Rare Baby Mummy Identified as Austrian Noble Researchers have identified a rare baby mummy as the firstborn son of a count of Austria, and rickets may have led to the child's death By Stephanie Pappas

Planetary Science Dying NASA Spacecraft Records Epic 'Marsquakes' As the InSight lander reports the largest-ever meteorite strikes on Mars, scientists wish it a fond farewell By Alexandra Witze,Nature magazine

Planetary Science Space Station Experiment Maps Earth's Methane 'Super Emitters' NASA's EMIT instrument has found more than 50 methane super emitters in its first few months of operation—and that's not even its main job By Mike Wall,SPACE.com

Artificial Intelligence AI Predicts What Chemicals Will Smell like to a Human A new computer model "maps" odor molecules to differentiate among those that have meaty, powdery, sweet and many other scents By Wynne Parry

Politics How Technology Companies Are Shaping the Ukraine Conflict By offering or ceasing services, Internet and telecommunications companies offer a glimpse of a future in which the tech sector takes sides in warfare, with far-reaching effects By Abishur Prakash

FROM THE STORE Scientific American Volume 327, Issue 5

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