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Nerd Alert


Nerd Alert

  • 9 Pins

Platelets, for blood clotting.

A human embryo implanting, six days after fertilization.

A human zygote in the 8 cell stage.

A four day old human zygote. Baby, baby.

A human egg

Sperm fertilizing an egg.

17 Things You Should Know About DNA!

DNA Love Print.

Telomere Size Matters