Water on Mars May Be Trapped in the Planet's Crust, Not Lost to Space

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March 18, 2021

Space Water on Mars May Be Trapped in the Planet's Crust, Not Lost to Space Understanding the fate of Mars's moisture could unlock deep secrets of the planet's past habitability By Jonathan O'Callaghan

Space Seismic Ripples Reveal Size of Mars's Core Mars becomes the first inner planet after Earth to have its core measured By Alexandra Witze,Nature magazine

Electronics Smartphones Can Hear the Shape of Your Door Keys Can you pick a lock with just a smartphone? New research shows that doing so is possible. By Sarah Vitak | 03:42

Medical & Biotech Scientists Grew Tiny Tear Glands in a Dish--Then Made Them Cry Organoids made of tear-producing cells offer chances to study, and possibly treat, eye disorders By Heidi Ledford,Nature magazine

Space Perseverance Rover Settles In during First Month on Mars With initial operations going smoothly, the rover could soon attempt to launch its pioneering helicopter, Ingenuity By Mike Wall,SPACE.com

Public Health What Florence Nightingale Can Teach Us about Architecture and Health The 19th-century nurse and public health researcher understood the importance of light in fighting and preventing disease By Steven Lockley

Environment Oceans May Emit More Ozone-Depleting Gases Scientists warn of ultraviolet radiation and cancer risk By Valerie Yurk,E&E News

Behavior & Society Most People Don't Actively Seek to Share Fake News New research shows that subtly nudging people to think about accuracy increases the quality of the news they share By David Rand,Gordon Pennycook

Computing An IBM AI Debates Humans--but It's Not Yet the Deep Blue of Oratory The give-and-take of formal arguments is still outside of a machine's "comfort zone"—at least for now By Bret Stetka

Physics Why Does DNA Spontaneously Mutate? Quantum Physics Might Explain A phenomenon called proton tunneling could account for point mutations in strands of genetic material By Nicoletta Lanese,LiveScience

Public Health Scarcity of COVID Shots Might Boost Demand among the Vaccine-Hesitant Willingness is rising, even among skeptical groups, at a time when there are still not enough doses to go around By Melba Newsome

FROM THE STORE Women Women have too long been an afterthought: denied equal opportunity at home and in society and ignored by science. Recent decades brought progress toward some measure of parity, but yawning gaps remain, and some are growing, threatening to undermine everyone's well-being. In this eBook, we explore research on the scientific and economic implications of gender disparity in the realms of economics, politics, education and health care. *Editor's Note: This was originally published as a Collector's Edition entitled Women. We have removed the infographic articles "How to Reduce Maternal Mortality" and "Mind the Gap" as well as some of the artwork to optimize viewing on tablet devices.

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FROM THE ARCHIVE Deep within Mars, Liquid Water Offers Hope for Life Radar observations have revealed what appears to be a buried lake on Mars, the first ever stable reservoir of liquid water found on the planet By Lee Billings | July 2018

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