experiment

Torricelli demonstrated that atmospheric pressure could support a column of mercury 760mm high, inventing the barometer and proving air has weight.

How Kary Mullis's 1983 idea became the polymerase chain reaction, how the three-step cycle works, and why it underpins diagnostics, forensics, and research

How Frederick Sanger's chain-termination method turned the order of DNA bases into something a laboratory could read, and why it still matters.

Discover how light acts as both particle and wave, fundamentally challenging our understanding of reality