Nature and Seasons

Blooms, leaves and the calendar of outside.

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scienceblog.com > t-arthropod-sperm-teams-cellular-cooperation-500-million-years

We picture fertilization as millions of sperm racing alone. But a 2026 study found that arthropods have repeatedly evolved sperm that travel in pairs, chains and teams of hundreds or even thousands — a form of cellular cooperation dating back roughly 500 million years.

3+ week, 4+ day ago (1116+ words) Antonio Gomez of Syracuse University and colleagues assembled sperm-structure records for 615 arthropod...