It’s a wonderful world — and universe — out there.

Explainers

Background pieces for a deeper dive into a broad range of pivotal topics

Health & Medicine
Explainer: What is asthma and how is it treated?

By Sejal ParekhApril 14, 2025
Animals
What is a dinosaur?

By Aaron TremperMarch 27, 2025
Brain
Explainer: How our body deals with stress

By Jennifer JunghansMarch 14, 2025
Brain
Purple exists only in our brains

By Tammy AwtryJanuary 28, 2025
Computing
Explainer: What is the internet?

By Kathryn HulickJanuary 13, 2025
Plants
Explainer: How to identify tree species in the winter

By Sophie HartleyJanuary 6, 2025
Earth
Explainer: How volcanoes erupt

By Carolyn WilkeNovember 15, 2024
Health & Medicine
Why you shouldn’t just brush off dandruff

By Kathiann KowalskiNovember 14, 2024

Brain
Why we aren’t really ‘left-brained’ or ‘right-brained’

By RJ MackenzieNovember 1, 2024
Plants
Explainer: How a seed grows into a plant

By Jennifer JunghansOctober 21, 2024
Artificial Intelligence
Explainer: What is generative AI?

By Kathryn HulickOctober 9, 2024
Chemistry
Explainer: How cells use chemistry to make the electricity of life

By Bethany BrookshireOctober 3, 2024