Pokémon come in one of 18 types that have strengths and weaknesses to all the others. Here's a handy guide on how types work.

Polygon’s Pokémon type chart for Pokémon Legends: Arceus explains the strength and weakness matchups in the Nintendo Switch game. Use this Arceus guide to figure out which moves are super ...

Throughout the pandemic, health experts have tended to set the magic number for herd immunity between 50% and 70% — with most, including Dr. Anthony Fauci, the head of the National Institute of ...

Vaccine-induced immunity and natural immunity are both types of active immunity. That’s the medical term for when you’re exposed to something that spurs your immune system to make antibodies ...