Should You Spend $2 to Win $1.3 Billion? Inside Powerball Math
Winning more than $1 billion in Powerball is an exciting possibility, but keeping a cool math mind can help you decide whether that opportunity is worth your $2 bet
New ‘Glass Straw’ Fibers Could Speed Up the Internet
7 Science Book Reviews from Scientific American's Archives With Modern Recommendations
New Knot Theory Discovery Overturns Long-Held Mathematical Assumption
Spellements: Tuesday, September 2, 2025
Is Consciousness the Hallmark of Life?
The Primal Pull of People Watching
AI Spots Hidden Signs of Consciousness in Comatose Patients before Doctors Do
Huge Cracks in the Earth Are Slicing through Cities, Swallowing Houses and Displacing Thousands of People
One Year after Scientific American’s First Issue, the Solar System Grew by a Planet
Scientific American Celebrates 180 Years with Stories of Scientific U-turns
U.S. Science and Scientific American Have Weathered Attacks Before and Won
Quantum Physics Is Bizarre. So Why Have We Loved It for 100 Years?
Can Peanut Allergies Be Cured?
What Happens When an Entire Generation of Scientists Changes Its Mind
Create as many words as you can!
Stretch your math muscles with these puzzles.
The Brain Science of Elusive ‘Aha! Moments’
Building Intelligent Machines Helps Us Learn How Our Brain Works
Lifting the Veil on Near-Death Experiences
How the Brain ‘Constructs’ the Outside World
Mining the Deep Sea Could Threaten a Source of Ocean Oxygen
Scientific American Celebrates 180 Years with Stories of Scientific U-turns
What Can Nature Teach Us about Sex and Gender?
New Knot Theory Discovery Overturns Long-Held Mathematical Assumption
Mathematicians have unraveled a key conjecture about knot theory
Scientific American Celebrates 180 Years with Stories of Scientific U-turns
In honor of SciAm’s 180th birthday, we’re spotlighting the biggest “wait, what?” moments in science history.
AI Spots Hidden Signs of Consciousness in Comatose Patients before Doctors Do
A machine-learning algorithm spotted signs of “covert consciousness” in coma patients—in some cases, days before doctors could do so
Should You Spend $2 to Win $1.3 Billion? Inside Powerball Math
Winning more than $1 billion in Powerball is an exciting possibility, but keeping a cool math mind can help you decide whether that opportunity is worth your $2 bet
Huge Cracks in the Earth Are Slicing through Cities, Swallowing Houses and Displacing Thousands of People
Hundreds of thousands of people are at risk of losing homes, businesses—and lives—as giant “gullies” expand into cities across Africa
