Math Birds Evening Grosbeak When contemplating a spirally constellation of twin primes, you may ask, “Just how many are there? – Infinite?” The Twin Prime Conjecture would say so.
Math Birds Chestnut-backed Chicka-dy/dx Another Math bird in the series! These little chickadees make the cutest noise. They have had a brood every year in the neighbors gum tree. When I see their rollercoaster flight, I think of slope fields.