Francesco Redi hypothesized that maggots come from flies, not rotting meat — and his simple experiment helped overturn the idea of spontaneous generation.
The WHO tightened its PM2.5 air quality guidelines in 2021. Here's what the new limits mean, why fine particles are harmful, and how countries compare.
Chickpea pasta foams because of natural compounds called saponins. Learn why it happens, how it differs from wheat pasta, and simple ways to reduce it.