Related:

• Basic Definitions of Science: If it's green or wiggles, it's biology.
  If it stinks, it's chemistry. If it doesn't work, it's physics....
• Handy Guide to Modern Science (1) If it's green or it wriggles, it's biology.
  (2) If it stinks, it's chemistry. (3) If it doesn't work, it's physics....
• Murphy's Guide to modern Science: 1. If it's green or it wriggles, it's biology.
  2. If it stinks, it's chemistry. 3. If it doesn't work, it's physics....
• 1. If it's green or wriggles, it's biology. 2. If it stinks, it's chemistry.
  3. If it doesn't work, it's physics. 4. If it's incomprehensible, it's mathematics....
• If it smells it's chemistry, if it crawls it's biology, if it doesn't work it's physics.
• Don't LOOK at anything in a physics lab. Don't TASTE anything in a chemistry lab.
  Don't SMELL anything in a biology lab. Don't TOUCH anything in a medical lab....
• There was no chemistry or biology, so we're history. -- Someone's Ex
• Love is a matter of chemistry, but Sex is a matter of physics.
• Chemistry is physics without thought; mathematics is physics without purpose.