Phages may play an unforeseen role in immune protection, researchers find.

New cell-based computers do division and logarithms more like a slide rule than a laptop. (p. 19)

African clawed frogs imported for 20th century pregnancy tests apparently communicate B. dendrobatidis to native species. (p. 11)

Entomologist Michael Raupp is enjoying Swarmageddon. The giant batch of cicadas began emerging from the ground in late April and will be heard in some northeastern states through June. “You see the insects in a mad, desperate dash for the trees so they can survive and mate,” Raupp says. “Birds and squirrels will be eating them. It’s life, it’s death, it’s romance. It’s a massive display of Mother Nature’s wonder — in my opinion, at its best.” Likewise, scientists get only so many chances to study each cohort, or brood, of cicadas. This particular cycle of 17-year cicadas... (p. 32)