As Perseverance Approaches Mars, Scientists Debate Its Sampling Strategy

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February 16, 2021

Space As Perseverance Approaches Mars, Scientists Debate Its Sampling Strategy The car-sized rover is the first step in an ambitious effort to bring pieces of the Red Planet back to Earth, but some crucial details remain undecided By Leonard David

Policy & Ethics The Dark Side of CRISPR Its potential ability to "fix" people at the genetic level is a threat to those who are judged by society to be biologically inferior By Sandy Sufian,Rosemarie Garland-Thomson

Environment How Biden's Environmental Justice Order Might Work The President ordered 40 percent of the benefits from federal climate action go to disadvantaged communities By Jean Chemnick,E&E News

Biology The Epic, Absurdly Complex Battle between a Zombie Maker and Its Victim The emerald jewel wasp is a cockroach's worst nightmare By Kenneth C. Catania

Arts & Culture Fractal Shapes, STI Treatment and Prevention, and Other New Science Books Recommendations from the editors of Scientific American By Andrea Gawrylewski

Space The Shrapnel That Killed the Dinosaurs Science provides knowledge of objects that threaten the Earth, and the means to deflect them By Avi Loeb

Policy & Ethics How President Biden Can Deliver on His Vaccine Promise to Communities of Color It will require the federal government to use a scientific, data-driven system for identifying those most in need By Gary Velasquez

Math Quantum Mechanics, Free Will and the Game of Life Some thoughts triggered by the death of the mathematician John Conway By John Horgan

Policy & Ethics Social Justice Movements, Exomoons and a Century of Bird Banding What we're learning about how solar systems and civilizations developed By Laura Helmuth

Natural Disasters Miniature Satellites Reveal Cause of Deadly Uttarakhand Flood That Devastated Hydroelectric Dams The disaster draws attention to the controversial hydropower projects in the Himalayas By Kelso Harper

Evolution Evolution Could Explain Why Psychotherapy May Work for Depression Persistent rumination may be an attribute that lets us think our way out of despair—a process enhanced through talk therapy By Gary Stix

FROM THE STORE Scientific American Volume 324, Issue 3

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FROM THE ARCHIVE NASA Has Launched the Most Ambitious Mars Rover Ever Built: Here's What Happens Next Perseverance will stow away rocks for eventual delivery to Earth and will listen for Martian sounds for the first time By Alexandra Witze,Nature magazine | July 2020

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