Public Health
Public Health
Public Health
Public Health
Lessons from AIDS for the COVID-19 Pandemic
Physics
Physics
Identical Quantum Particles Pass Practicality Test
Public Health
One in Seven Dire COVID Cases May Result from a Faulty Immune Response
Two new studies link some severe infections to genetics and an autoimmune reaction that attacks the body’s own defenses
Public Health
Public Health
Flu Season Never Came to the Southern Hemisphere
Public Health
Public Health
Lessons from AIDS for the COVID-19 Pandemic
Physics
Physics
Identical Quantum Particles Pass Practicality Test
Space
Space
A NASA Probe May Have Found Signs of Life on Venus 40 Years Ago
Climate
Climate
Young Republican Climate Activists Split Over How to Get Their Voices Heard in November’s Election
Public Health
Public Health
Protecting against COVID's Aerosol Threat
Behavior & Society
Behavior & Society
We Learn Faster When We Aren’t Told What Choices to Make
Math
Math
Can an Algorithm Help Solve Political Paralysis?
Most Popular
Flu Season Never Came to the Southern Hemisphere
Mask wearing and social distancing for COVID-19 may have cut influenza cases south of the equator
When and Why You Should Get a Flu Shot
Experts explain why getting vaccinated is important every year—and especially during a pandemic
Deadly Spread of Some Cancers May Be Driven by a Common Mouth Microbe
An ordinary bacterium can trigger changes in some primary tumors that lead to dangerous metastasis
For Math Fans: A Hitchhiker’s Guide to the Number 42
Here is how a perfectly ordinary number captured the interest of sci-fi enthusiasts, geeks and mathematicians
Scientific American Endorses Joe Biden
We’ve never backed a presidential candidate in our 175-year history—until now
What COVID-19 Reinfection Means for Vaccines
We now know repeat infections are possible; understanding them will shape the fight against the pandemic
Special Report
Visualizing 175 Years of Words in Scientific American
Arts & Culture
A graphical tour of popular words paired with key moments in the history of the magazine
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What Research in Antarctica Tells Us about the Science of Isolation
Over the past few months, the phrase “social distancing” has entered our lexicon. Many of us have found ourselves separated from family and friends—or at least from our normal social lives...
