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Concepts

embryos, ancestors & developmental evolution

Explaining genome size to my 3 year old daughter

Genomes are huge. My 3-year-old daughter and I had a discussion about this. We came to the conclusion that it would take approximately 165 years to "stamp out" the human genome with her new stamping p...
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What is development?

All of the creatures you see with the unaided eye have undergone the process of development. Adults come from eggs, and eggs come from adults. It is necessarily circular, as cells come from cells. The...