When your body needs to metamorphosize(change), battle infection, or restore balance, some of your cells may go through a process called apoptosis (programmed cell death).

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Your red blood cells do important work for your body. And they do it well because they’re missing one thing: nuclei.

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When you cut your finger, a complex, three-level system kicks in to make sure you stay healthy and ward off invaders.

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Your cells may be tiny, but they can do some pretty complex tasks to keep you alive. That’s because your cells, like the cells of every living organism, have specialized proteins constantly hard at work.

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Scientists can’t bring people back from the dead just yet. However, they have discovered that some parts of your cells remain active long after you die.

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The elephant is a creature of epic proportions — and yet, it owes its enormity to more than 1,000 trillion microscopic cells. Why don’t we get unicellular elephants? Or blue whales? Murry Gans explains. (4:06 min.)

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I am a 2nd year MSc. student in physics, at Simon Fraser University. I study molecular motors.

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A stunning animation, showing the variety of cell types that exist within and around us. Travel through a virtual world and learn about the different stages of the cell cycle. (5:34 min.)

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There are all kinds of reasons why students like you might not get enough sleep. But did you know that getting a good night’s rest is important for memory, learning, and health.

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Like bacteria, cancer cells can develop resistance to drugs. Any cancer cells are left alive after chemotherapy could multiply and form a drug-resistant tumour.

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