Time Crystals Made of Light Could Soon Escape the Lab

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March 11, 2022

Quantum Physics Time Crystals Made of Light Could Soon Escape the Lab A new, more robust approach to creating these bizarre constructs brings them one step closer to practical applications By Karmela Padavic-Callaghan

Ecology Millions of Palm-Sized Flying Spiders Could Invade the East Coast A huge invasive spider from East Asia that swarmed Georgia could soon take over most of the U.S. East Coast, a new study has revealed By Ben Turner,LiveScience

Defense 'Limited' Tactical Nuclear Weapons Would Be Catastrophic Russia’s invasion of Ukraine shows the limits of nuclear deterrence By Nina Tannenwald

Quantum Physics Does Quantum Mechanics Rule Out Free Will? Superdeterminism, a radical quantum hypothesis, says our “choices” are illusory By John Horgan

Ecology Bird Feeders Are Good for Some Species--But Possibly Bad for Others Studies of bird feeding in the U.K. raise concerns about the ecological impacts of provisioning our feathered friends By Asher Elbein

Space Exploration The First Rocket Launch from Mars Will Start in Midair NASA’s Mars Ascent Vehicle will attempt a wildly unconventional liftoff to bring Red Planet samples back to Earth By Jonathan O'Callaghan

Fossil Fuels Amid War, Biden Reluctant to Unleash Clean Energy Rhetoric The U.S. president has not followed Europe’s calls to produce more renewable energy to weaken Russia’s global influence By Adam Aton,E&E News

Archaeology Legendary Shipwreck of Shackleton's Endurance Discovered in Antarctic Waters The discovery of the wreck is “a milestone in polar history,” says the director of the search for it By Tom Metcalfe,LiveScience

Policy Russia's Information War Is Being Waged on Social Media Platforms But tech companies and governments are fighting back   By Sophie Bushwick

Public Health When Is It Safe to Have Sex after COVID? How to limit your risk of transmitting or getting infected with SARS-CoV-2 By Carolyn Barber

Evolution The Devastating Loss of Grandparents among One Million COVID Dead Grandparents are a majority of the pandemic’s death toll By Robin Marantz Henig

Climate Change Amazon Rain Forest Nears Dangerous 'Tipping Point' It is losing its ability to recover from disturbances such as drought, wildfire and human development, researchers say By Chelsea Harvey,E&E News

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BRING SCIENCE HOME Password Hacker Learn how passwords can be made harder to guess--while playing a fast-paced guessing game. See if you can crack the code!  Credit: George Retseck Do you have your own email or other online account? If so, you probably use a password to log in. How did you pick your password? Is it something that might be easy for someone else to guess, like the name of your pet? This fun activity will teach you about password security and how to pick a good password.

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