Every species on the planet has a few evolutionary advantages that are key to survival. For us humans, it's the ability to use tools. Granted, we're not the only species that knows how to use them, ...

This voice experience is generated by AI. Learn more. This voice experience is generated by AI. Learn more. Close-up of a finger touching a loading bar transitioning from 2025 to 2026, representing ...

We’re celebrating 180 years of Scientific American. Explore our legacy of discovery and look ahead to the future. The 1925 writer helpfully explains what scientists still think is behind these ...