Bearded seals are loud—but not loud enough

During mating season, male bearded seals make loud calls to attract a mate. How loud? Well, even their "quiet" call can still be as ear-rattling as a chainsaw.

The role of midsized phytoplankton in Earth's biological pump

Every spring, phytoplankton blooms flourish across the ocean. The single-celled, photosynthetic organisms pull carbon dioxide from the atmosphere and produce oxygen—part of a carbon sequestration system known as the biological ...

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