Torrential rain, made worse by climate change, has lashed Spain, with Valencia bearing the brunt of the floodwaters
H5N1 Detected in Pig Highlights the Risk of Bird Flu Mixing with Seasonal Flu
Humans and pigs could both serve as mixing vessels for a bird flu–seasonal flu hybrid, posing a risk of wider spread
Dora Richardson Took Her Research Underground to Develop Lifesaving Tamoxifen
When chemist Dora Richardson’s employer decided to terminate the breast cancer research on the drug Tamoxifen in the early 1970s, she and her colleagues continued the work in secret.
The Climate and the Health of our Children Is on the Ballot on November 5
The 2024 presidential election will have enormous consequences for the climate, and the health and future of children
What Made This Bizarre ‘Dandelion’ Supernova?
A strange supernova remnant first appeared as a “guest star” seen in 1181 by sky watchers in China and Japan
Why Election Polling Has Become Less Reliable
Election polls are increasingly vulnerable to huge mistakes
How to Make Your Own Zoetrope
Put your own spin on a zoetrope with homemade drawings—or carve one into a pumpkin
Does the Coriolis Effect Cause Your Cowlick?
No, but the direction of our hair whorls could teach us about human development
The Universe in 100 Colors Provides a Stunning Tour through Science
A science photo book probes the colors we can see—and even “forbidden” colors we can’t
Is Election Anxiety Keeping You Awake? Sleep Experts Share Advice
Scientific American staff and sleep experts share advice on how to get better sleep in the stressful days leading up to the U.S. presidential election—and those that come after