Bison power

Flashback to May 1: Inspiration comes over the herd of Fermilab bison — perhaps they were thinking of ways to celebrate the lab's 50th anniversary? And as inspiration sets, the clouds begin to part, and a dash of rainbow shoots through the sky over Feldott barn. A celestial choir probably sings, too. Photo: Tim Ring, nature, landscape, cloud, sky, rainbow, landscape, bison, animal, mammal, wildlife

Flashback to May 1: Inspiration comes over the herd of Fermilab bison — perhaps they were thinking of ways to celebrate the lab’s 50th anniversary? And as inspiration sets, the clouds begin to part, and a dash of rainbow shoots through the sky over Feldott barn. A celestial choir probably sings, too. Photo: Tim Ring