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

Explainers

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

Chemistry
Explainer: How photosynthesis works

By Bethany BrookshireOctober 28, 2020
Health & Medicine
Explainer: What is puberty?

By Esther LandhuisAugust 27, 2020
Physics
Explainer: Stars and their families

By Ken CroswellAugust 18, 2020
Explainer: What are logarithms and exponents?

By Bethany BrookshireAugust 12, 2020
Health & Medicine
Explainer: What are Antibodies?

By Avery Elizabeth HurtJuly 24, 2020
Brain
Explainer: How our eyes make sense of light

By Bethany Brookshire and Tina Hesman SaeyJuly 16, 2020
Physics
Understanding light and other forms of energy on the move

By Jennifer LookJuly 16, 2020
Physics
Explainer: Rainbows, fogbows and their eerie cousins

By Matthew CappucciMay 1, 2020

Physics
Explainer: Understanding waves and wavelengths

By Jennifer LookMarch 5, 2020
Chemistry
Explainer: What the pH scale tells us

By Lida TunesiMarch 5, 2020
Health & Medicine
Top 10 tips to stay safe during an epidemic

By Janet RaloffMarch 3, 2020
Science & Society
Explainer: What is a mentor?

By Bethany Brookshire and Janet RaloffFebruary 11, 2020