Molecular biology cartoons: A field guide to sperm

Mating is most successful when it involves members of the same species…

…but the sperm of different organisms look awfully similar. This handy Field Guide will help you discriminate the different types and thus avoid the negative long-term consequences of hybridisation.





sperm5       sperm6

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I am a science writer at the Max Delbrück Center for Molecular Medicine in Berlin, author of fiction and popular science books, an artist, and a professional musician who performs on the viola da gamba and Medieval and Renaissance stringed instruments. I edit manuscripts of all types and teach the full range of scientific communication skills. I am doing theoretical work in this subject - see for example

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