ScienceJuly 15, 2026
diatom
/ˈdaɪ.ə.tɒm/
Definition
A type of microscopic, single-celled algae characterized by a protective, glass-like shell made of silica.
Etymology
Derived from the Greek word 'diatomos', meaning 'cut in two'. This refers to the organism's distinctive shell structure, which consists of two overlapping, fitted valves.
In the news
In the article, diatoms are contrasted with coccolithophores; while the latter make the sea turn bright turquoise, diatoms generally contribute to the water's darker, natural appearance.
NASA captured the Black Sea turning brilliant turquoise from space
Read the full article ↗ScienceDaily