Max­Planck­Research Magazine

Issue 2009

MPR 3 /2009

Could You Point the Way to the Egg, Please?
Sea urchin sperm always follow their “noses” when swimming. Their olfactory organ is located in the tail and actually counts or calculates rather than smelling. The scientists working with Benjamin Kaupp, Scientific Director at the Center of Advanced European Studies and Research (caesar), have provided a molecular explanation for this peculiar process.
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