1991 Photo Contest, Science & Technology, Honorable mention

Lennart Nilsson

01 January, 1990

The moment of fertilization, revealed by an ultra high scanning electron microscope. In the race to reach the egg cell, up to 500,000,000 human sperm set out on the perilous journey to the Fallopian tube, which only 100 to 150 sperm survive.

About the photographer

Lennart Nilsson

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