Handy Guide to Modern Science: 1. If it's green or it wiggles, it's biology. 2. If it stinks, it's chemistry. 3. If it doesn't work, it's physics.

Handy Guide to Modern Science: 1. If it's green or it wiggles, it's biology. 2. If it stinks, it's chemistry. 3. If it doesn't work, it's physics.

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