Friday, March 14, 2025

Week in Science: Earth's oldest impact crater discovered in Australia

March 14—This week, microplastics are interfering with plant photosynthesis, a new claim of quantum computing "advantage," and scientists discover Earth's oldest impact crater in Australia. Enjoy and have a great weekend!

--Andrea Gawrylewski, Chief Newsletter Editor

Top Stories
Microplastics Are Messing with Photosynthesis in Plants

Microplastics can cut a plant's ability to photosynthesize by up to 12 percent, new research shows

For Quantum Computing, Pressing the Advantage Is a Risky Proposition

D-Wave's fresh claim that it has achieved "quantum advantage" has sparked criticism of the company—and of the scientific process itself

Earth's Oldest Impact Crater Discovered in Australia

Scientists with a new theory about how Earth's early continents formed predicted where a superold impact crater should be—then found it

Content brought to you by Scientific American Travel
Join Us for an Extraordinary Eclipse Experience

Take an unforgettable journey to witness the 2026 total solar eclipse from a semi-private ship. Surrounded by the shimmering sea, you'll feel the collective excitement as you watch totality approach with fellow science lovers and your trip leader, Senior Editor Clara Moskowitz. Learn More.

The 9 Unsolved Mysteries Mathematicians Can't Stop Thinking About

Mathematicians discuss some of the most compelling unsolved problems in the field

If you want to read all these stories and more, consider a subscription to Scientific American. You'll never miss a discovery!
The Secret to Understanding Animal Consciousness May Be Joy

Animal emotions—including joy—may be key markers of conscious beings

What Is Chloroprene, the Cancer-Causing Chemical at the Center of a Federal Lawsuit?

Trump could drop a federal lawsuit against a petrochemical plant that emits chloroprene. Here's a look at the cancer-causing chemical

COVID Pandemic Fatigue Has Left the U.S. Vulnerable to New Threats

The "quarantine fatigue" of 2020 became an ongoing "pandemic fatigue," a complex set of emotions that continues to affect the nation

NASA Begins Mass Firings ahead of Trump Team's Deadline

Top advisers in NASA's Office of the Chief Scientist are among the first to go amid a government-wide downsizing effort

Athena Lunar Lander Declared Dead on the Moon

For the second time in two years, a commercial lunar lander built and operated by Intuitive Machines has fallen over on the moon

Are Foodborne Illnesses and Deaths in the U.S. Worsening? New Data on Recalls Explain

Despite headlines, there were fewer food recalls in 2024 than in 2023, but more people died from food poisoning linked to outbreaks

Why Great Storytellers Find Life More Meaningful

People who are rated as good storytellers exhibit a purpose-oriented mindset and big-picture thinking more often than others

Scientist Pankaj

Incredible photo shows supermassive black hole blowing a jet of matter into interstellar space

JWST got a look at that asteroid we were all worried about | Space Quiz! Which of these NASA space probes hunts for exopla...