Diatoms are a group of unicellular algae characterised by their intricately patterned silica cell walls. Their diversity, shaped by evolutionary innovation and environmental pressures, plays a ...

Here’s a term that will soon become a household word: I’m talking about diatoms. Many gardeners are familiar with D.E., or diatomaceous earth, because it can be used to control insects in the garden ...

During the extremely toxic algal bloom in May 2015, this sea lion hauled out on the beach in Moss Landing with symptoms of domoic acid poisoning. Credit: Melinda ...