Conversation

We humans have a circadian rhythm, a 24-hour biological clock evolved over eons that keeps track of day and night and guides the activities of the brain and body. Plants have one too. It tells them when to emerge in spring.

But I was fascinated to learn that single-cell organisms that live less than one day sense the changing seasons, too. Without the ability, they’d perish.

Computational biologist Eliot Bush explains:

https://medium.com/aha-science/organism-that-lives-less-than-1-day-predicts-the-seasons-2ef45bbfb1f5

#biology #science