Science: Math Jokes

Hokay: been having some issues with Blogger, so I'm going to go with a test post here.

Q: What do you get when you combine a mosquito and a mountain goat ?
A: Nothing - you can't combine a vector with a scalar.

Q: How many mathematicians does it take to change a light bulb?
A: 0.999999999...

Sorry to have to expose innocent witnesses to those.