Doctor Who’s Time Lords Have Two Hearts. Here’s How Their Dual Cardiac System Could Work
A Doctor Who superfan explains how the unusual cardiovascular system of the alien Time Lords could evolve and function
Doctor Who’s Time Lords Have Two Hearts. Here’s How Their Dual Cardiac System Could Work
A Doctor Who superfan explains how the unusual cardiovascular system of the alien Time Lords could evolve and function
We’ve Hit Peak Denial. Here’s Why We Can’t Turn Away From Reality
We are living through a terrible time in humanity. Here’s why we tend to stick our heads in the sand and why we need to pull them out, fast
How Tobacco Companies Use Chemistry to Get around Menthol Bans
Regulating chemicals one-by-one has allowed the tobacco industry to skirt menthol bans by creating new additives with similar effects but unclear safety profiles
Brain Scans of Jazz Musicians Reveal How to Reach a Creative ‘Flow State’
Both expertise and the ability to release one’s focus can help people enter a state of effortless attention
Neurodivergent Kids Flourish When They’re Taught How Their Brains Work
When teachers and parents talk to kids about having ADHD, autism or learning disabilities, they set them up for success
Innovative Thinking Could Make New Sickle Cell Treatments More Accessible
The cost of new gene-based sickle cell treatments isn’t the only barrier to access. Coming up with new ways to treat the whole disease—and person—could make treatment more equitable
How New Science Fiction Could Help Us Improve AI
We need to tell a new story about AI, and fiction has that power, humanities scholars say
7 Steps to Disprove a Conspiracy Theory
Conspiracy theories are everywhere. Here's how you can figure out when you're being fooled
Readers Respond to the February 2024 Issue
Letters to the editors for the February 2024 issue of Scientific American
Contributors to Scientific American’s June 2024 Issue
Writers, artists, photographers and researchers share the stories behind the stories
RNA, Grizzly Bears and Anxiety Treatments Show That Science Is Never Done
Explore the new science of weird chemistry, anthropogenic evolution and near-death experiences
Why Did Ancient Romans Make this Baffling Metal Dodecahedron?
A mysterious 12-sided object called a dodecahedron discovered in England has archaeologists both excited and baffled