Handy Guide to Modern Science

My brother sent me this.
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.
4. If it's incomprehensible, it's mathematics.
5. If it doesn't make sense, it's either economics or psychology.
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.
4. If it's incomprehensible, it's mathematics.
5. If it doesn't make sense, it's either economics or psychology.