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/de/
AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
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25 Okt 1856 Jahr - N. Pringsheim observed how a sperm cell penetrated an egg cell.
Zugefügt zum Band der Zeit:
science
By
Tyrus
27 Okt 2017
0
0
669
Datum:
25 Okt 1856 Jahr
Jetzt
~ 169 years ago
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