Gross Science

Barnacle Penises Can Teach You A Ton About Biology

Well-endowed barnacles can change the size and shape of their penises. It’s a great example of something called phenotypic plasticity.

Barnacle Penises Can Teach You A Ton About Biology

2m 16s

Well-endowed barnacles can change the size and shape of their penises. It’s a great example of something called phenotypic plasticity.

    Similar Shows

    WETA Passport

    Stream tens of thousands of hours of your PBS and local favorites with WETA Passport whenever and wherever you want. Catch up on a single episode or binge-watch full seasons before they air on TV.