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Astronomers Get Their Wish, and a Cosmic Crisis Gets Worse

We don’t know why the universe appears to be expanding faster than it should. New ultra-precise distance measurements have only intensified the problem.

December 18, 2020

Making Climate Change Policy More Blue

A new push for attention to coastal communities, marine conservation, and ocean infrastructure

December 16, 2020

Outwitting the Grim Reaper

Neuroscientist Daniel Levitin on how to age successfully.

December 16, 2020

How Does Anyone Stay Healthy in a World Full of Germs?

Computational biology is uncovering the immune system’s tricks for identifying foreign invaders.

December 15, 2020

How Sea Turtles Find Their Way

Whether you’re a sea turtle or a ship’s captain, you’ll need two tools—a map and a compass.

December 15, 2020

Playing Go with Darwin

New research elevates evolution from a tactical process to one of strategic possibility.

December 15, 2020

How the Slowest Computer Programs Illuminate Math’s Fundamental Limits

The goal of the “busy beaver” game is to find the longest-running computer program. Its pursuit has surprising connections to some of the most profound questions and concepts in mathematics.

December 10, 2020

How Neutral Theory Altered Ideas About Biodiversity

The simple insight that most changes are random had a profound effect on genetics, evolution and ecology.

December 10, 2020

What Did the Past Smell Like?

Get a whiff of a new sensory experience in history.

December 9, 2020

Toys Are the Future of Philosophy

Playthings shouldn’t confine kids but allow them to ask, What if?

December 9, 2020

How to Build Trust in Covid-19 Vaccines

Why people distrust vaccines and how they can be convinced otherwise.