issue_104
The Universe Has Already Made Almost All the Stars It Will Ever Make
Black holes are cosmic dimmers.
Here’s Where Our Minds Sharpen in Old Age
Fluid intelligence has several aspects, and aging affects them differently.
We Have to Talk About Doubt
How to tell the difference between scientific and conspiratorial skepticism.
My Personal Quest to Study Supernovae on Mars
Overcoming sexist naysayers and self-doubt in astrophysics.
How I Escaped My Troubles Through Science
My life in theoretical physics took a fateful turn after 9/11.
The Electromagnetic Force of Fridge Magnets
An illustrated guide to the universal laws in your kitchen.
The Transcendence of Tantric Sex
A psychologist argues science can take a lesson from ritual about how to heal.
The Economic Case for Vaccine Passports
Requiring vaccine passports would not violate any individual rights that a well-ordered society would choose to defend.

