You're looking at the world's oldest sperm. At 17 million years old, it's not quite as lively as it once was—but it still took scientists some serious investigation to identify it.
An interesting read via Gizmodo
You're looking at the world's oldest sperm. At 17 million years old, it's not quite as lively as it once was—but it still took scientists some serious investigation to identify it.
An interesting read via Gizmodo
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