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- SCIENTIFIC AMERICANA DAY AGO

Spaceflight literally moves your brain
Space's microgravity appears to shift the location of the brains of astronauts—without a clear effect on their health
- SCIENTIFIC AMERICAN3 HOURS AGO

Happy Lunar New Year! Celebrate the Year of the Horse with science
According to the Chinese zodiac, 2026 is the Year of the Horse—so saddle up for some equine science
- SCIENTIFIC AMERICAN4 HOURS AGO

Trump rejects climate science, winter goes haywire, and ‘Penisgate’ rumors arise at the Olympics
We take a look at President Trump's decision to reject a landmark climate finding, the cause of an unusual winter in the U.S. and the physics behind a bizarre ski jumping scandal
- SCIENTIFIC AMERICAN3 HOURS AGO

Astronomers spot one of the largest spinning structures in the universe
This enormous chain of hundreds of galaxies—a cosmic filament—is twisting through space 400 million light-years away
- SCIENTIFIC AMERICAN3 HOURS AGO

The mathematical mystery inside the legendary ’90s shooter Quake 3
Deep within the source code of this online multiplayer game lies an enigmatic number that puzzles and inspires experts to this day