20 Things That Made the World a Better Place in 2023

It’s been hard recently to think about anything other than the wars and humanitarian crises raging around the world. Climate change has left its mark in what was almost certainly the hottest year in human history—there were unprecedented heat waves, intensified forest fires, torrential rain, and floods like those in Libya that caused devastation after two dams burst.

But this has not stopped scientists, innovators, and decisionmakers from working on solutions to our biggest societal challenges—with success. Here is a collection of uplifting news to come out of 2023.

A powerful laser…