Human organs: medieval science
Chinese drawing of the human organs (about 1200) Eyes and fevers Between the Middle Ages and modern times, doctors have learned a lot of new things about how human bodies [...]
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09, 2017
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05, 2017
What is Tay-Sachs disease? Lysosomes and cell biology
Krystie has Tay-Sachs disease Tay-Sachs is a disease where your lysosomes aren't working right. It's a disease you get in your DNA from your parents. Both your mother and your [...]
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05, 2017
What are mitochondria? Parts of a cell
A mitochondrion (seen through a microscope) When did mitochondria evolve? About two billion years ago, in the Proterozoic, there were only prokaryotic cells on Earth. Mitochondria probably started out as [...]
