Monday, July 27, 2026

Big Picture Science for July 27, 2026: Worms of Endearment

A pair of slightly cupped hands holding a large clump of dark, moist soil mixed with many earthworms. The worms are long, thin, and light brown to pinkish in color, with some partly buried in the soil and others lying across the surface. The soil looks rich and crumbly, sticking to the skin. Around the hands there is a rounded rim that appears to be a blue container, suggesting the soil and worms are being held over a bin or bucket.









Big Picture Science: Worms of Endearment

Earthworms may be small, limbless, and blind but, as Darwin observed nearly 150 years ago, they play a critical role in soil ecology. Darwin’s 19th century insights about the slimy invertebrates are far-reaching, serving as the backbone of modern ecology as a whole. In recent years, scientists are putting their ears to the ground, listening to worms to monitor soil health.

Meanwhile, laboratory studies on another kind of worms—flatworms—are providing insights about how memories are stored, and how stem cells self-renew. We get our hands dirty for this episode about the biology and ecology of worms.

Guests:


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