Thirty favorites (not including the one I wrote).
Books I Loved in 2019
The Incalculable Joy of Fermi Questions
How many clicks will this post get?
366 Days of Math
The February 29th page is a flowchart for whether you need the February 29th page.
Why Does Everything Make Us Feel Old?
I mean, other than the fact that we're old.
Geometry Puzzles for a Winter’s Day
Fight cold with math.
“Inflation” Is Not One Thing
Hey! Stop stereotyping!
Inequalities Are Not Broken Equations
Treating an inequality like an equation? That's like treating a bird as a wingless schmo.
Let’s All Burn Calculus in Effigy
A strange, true tale from 1915.
The Anti-Calculator Puzzle
A cute little math problem (that grows into a monster).
The Novelist and the Gasket
We see fractals in clouds, coastlines, tree branches, and... literature?