Science

Scientific American
How a Tiny Brain Region Guides Generosity
Whether and how much we help others may be determined by the brain's basolateral amygdala
6 min |
October 2025

Scientific American
Biological Age vs. Chronological Age
Investigating the science and hype of biological age tests
6 min |
October 2025

Scientific American
Search Broadly
The way you search the Internet can reinforce your beliefs—without you realizing it
2 min |
October 2025

Scientific American
Why Knot
Mathematicians unravel a long-standing conjecture about knot theory
2 min |
October 2025

Scientific American
The Landslide in Your Backyard
As climate change brings more intense rain to the mountains, dangerous debris flows are on the rise
10+ min |
October 2025

Scientific American
Fast Fashion Needs a Green Makeover
A more circular economy in textiles will look good on everyone
4 min |
October 2025

Scientific American
Neural Stretch
Scientists map a mouse's peripheral nervous system in unprecedented detail
2 min |
October 2025

Scientific American
A Block-Stacking Problem with a Preposterous Solution
In principle, this impossible math allows for a glue-free bridge of stacked blocks that can stretch across the Grand Canyon- and into infinity
5 min |
October 2025

Scientific American
Decoding Blood
New biomarkers promise easier and earlier detection of Alzheimer's, but the results aren't always clear
9 min |
October 2025

Scientific American
Science Makes the U.S. a Great Nation
History tells us what happens when great nations attack science
4 min |
October 2025

Scientific American
Can We Survive the Death of the Sun?
In a few billion years the sun will turn into a red giant star
4 min |
October 2025

Scientific American
Cultivating Resilience
Early research suggests that Alzheimer's risk can be mitigated through diet, exercise and social stimulation. But definitive studies remain elusive
9 min |
October 2025

Scientific American
Pets, Health and People
Only when human-pet relationships are strong, it seems, do owners get physical and mental benefits from their animals
4 min |
October 2025

Scientific American
What I Wish Parents Knew about Social Media
I study social media for a living. Here's how parents can help their kids use it safely and productively
5 min |
October 2025
Scientific American
A Multipronged Assault
A new understanding of Alzheimer's is leading to a variety of new treatment approaches
2 min |
October 2025

Scientific American
People Watching
Our social voyeurism may have deep evolutionary roots
2 min |
October 2025
Scientific American
The Care Abyss
As dementia cases rise, memory-care facilities are shuttering. A national collaboration wants to help solve the looming long-term-care challenge
8 min |
October 2025

Scientific American
Drink Deep
New tech pulls fresh water from the bottom of the sea
4 min |
October 2025

Scientific American
The Dawn of Polar
Fossils hint at when birds began making their mind-blowing journey to the Arctic to breed
10+ min |
October 2025

Scientific American
VOYAGE TO NOWHERE
An expensive and ambitious plan for interstellar travel has quietly disappeared
10+ min |
October 2025

Scientific American
Prevention Intervention
The evidence is clear that racial discrimination, physical health and the environment contribute to Alzheimer's and other dementias. Now researchers are looking for ways to intervene
10 min |
October 2025

Scientific American
Echolocation Touch
Dolphins' echolocation may be more like feeling than like seeing
3 min |
October 2025

Scientific American
A Dangerous Silver Bullet
Drugs that hit an Alzheimer's target are gaining traction. Some neurologists remain dubious
9 min |
October 2025

Scientific American
The Lives of Dead Trees
Forest ecologist Mark Harmon has been exhaustively examining dead logs for 40 years, and he's found a complex world few people see
10+ min |
October 2025

Scientific American
Self-Destruct
This planet triggers flares on its star—spelling its ultimate doom
3 min |
October 2025

Scientific American
Hype about Gluten-Free Diets
Other wheat components are more likely to trigger health problems
3 min |
September 2025

Scientific American
Nerves Do Regenerate
Neurons, once thought to be irreparable, can grow anew—even in the brain
5 min |
September 2025

Scientific American
Dog Detectors
Pessimistic dogs may be better sniffersand other pointers for smelling out disease
4 min |
September 2025

Scientific American
Terracotta Cool
Humble clay fends off heat without electricity
2 min |
September 2025

Scientific American
Gut Check
Microbes in the human intestines may absorb dangerous PFAS
3 min |