All of us have gone through the torment of high school—the growing pains and the mood swings and the cliques. It turns out that during development the cells of your body also go through something similar to high school. Once a new cell is created in the developing embryo, the cell undergoes a process called cellular differentiation, where it responds to varying cues to choose what kind of cell it’s going to be, or rather how it should respond to the incessant “what do you want to be when you grow up” question. The process of cellular differentiation in embryonic development is very similar to school—the cell enters the process naïve and innocent about the world, and leaves with an idea of who and what it wants to be.
Where would we be without blood? That red stuff that carries vital oxygen from our lungs to our muscles, and helps move our body’s chemical waste to where it can be recycled or disposed of? Blood is vital for life in humans, but did you know that not all animals have blood, and that some have blood that is very different to our own? Continue reading “Where Would We Be Without Blood?”
Popcorn. Classic movie snack. Perfect combination of salty and light, fluffy crunch. Continue reading “Why Does Popcorn Pop?”