Ceri Weber Embryo 21 -1

A girl in a pink hat holds two sea urchins in front of her with visible egg and sperm.

Ceri Weber, postdoc at UCSD and student in the 2021 Embryology course holds up two sea urchins on the deck of The Gemma — one with visible eggs and the other with visible sperm. Credit: Sierra Marable, Postdoc, Caltech

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