Wormhole Tunnels in Spacetime May Be Possible, New Research Suggests

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May 20, 2021

Space Wormhole Tunnels in Spacetime May Be Possible, New Research Suggests There may be realistic ways to create cosmic bridges predicted by general relativity By Brendan Z. Foster

Wellness The Global Iron-Deficiency Crisis Some two billion people don't get enough of this essential mineral in their diets By Sharman Apt Russell

Public Health Math and Sleuthing Help to Explain Epidemics of the Past One mathematician has spend decades uncovering the deadly calculations of pestilence and plague, sometimes finding data that were hiding in plain sight. By Emily Schwing | 07:30

EARTH World's Largest Iceberg Breaks Off of Antarctica The chunk of ice is larger than the state of Rhode Island By Ben Turner,LiveScience

Climate Used Car Exports Threaten Climate Goals The U.S. ships hundreds of thousands of its oldest and dirtiest cars overseas to poorer countries each year By Arianna Skibell,E&E News

Biology See the Most Bizarre and Beautiful Animal Eyes on Earth Some of these peepers have eyepopping abilities By Leslie Nemo

Cognition To the Brain, a Tool Is Just a Tool, Not a Hand Extension Recent findings have implications for the design of prostheses. Care for a third thumb, anyone? By Gary Stix

Public Health How Scientific American's Staff Is Reacting to the CDC's New Mask Guidance We asked our vaccinated colleagues whether they planned on keeping their masks on or not—and why By THE EDITORS

Mental Health COVID Has Put the World at Risk of Prolonged Grief Disorder COVID deaths are leaving millions bereaved. For some, the intense grief never recedes, making daily life almost impossible By Katherine Harmon Courage

Automotive Biden Touts Electric Vehicles amid Negotiations on Infrastructure Spending Congressional Republicans have balked at White House proposals to boost EV use By Adam Aton,E&E News

FROM THE STORE Scientific American Volume 324, Issue 6

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FROM THE ARCHIVE Are Wormholes a Dead End for Faster-Than-Light Travel? Portals connecting far-distant regions of the universe may not be just the stuff of science fiction, but they probably couldn't be used for interstellar travel By Paul Sutter,SPACE.com | February 2017

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