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Unexpected Elements

Some dam awesome science

49 min12 september 2025

The inauguration of Africa’s largest hydroelectric dam has us looking at how we decide when, where, and even whether to build dams.

But humans aren’t the only ones building dams – Loren Taylor of the Beaver Institute joins us to talk all about nature’s hydroengineers and the wide-spread benefits beavers (and their dams!) have on ecosystems.

Also on the program, how close are we to clean energy from space, the science behind holding your breath for a really, really, really, REALLY long time, and how natural sounds can be turned into musical instruments. All that, plus more unexpected elements.

Presenter: Alex Lathbridge with Andrada Fiscutean and Katie Silver Producers: Margaret Sessa-Hawkins, Alice Lipscombe-Southwell and Robbie Wojciechowski.

Unexpected Elements med BBC World Service finns tillgänglig på flera plattformar. Informationen på denna sida kommer från offentliga podd-flöden.