eter Siver doesn’t much care for diamonds. The botany professor is far more interested in microscopic algae—diatoms and chrysophytes—that live in lakes, oceans and other waterways. But sometimes, ...

We also suggested that a warming climate will simultaneously enhance the productivity of large phytoplankton, such as diatoms, in coastal regions, owing to increased wind-driven upwelling 1.

Blooms of diatoms—microscopic, photosynthetic algae—were alive and well beneath (and within) the lake's ice cover. "Some of the main winter-spring diatom bloom formers, like Aulacoseira ...