Q: How many company biotechnologists does it take to change a light bulb?
A: Four; one to write the proposal, one to design the bulb-changer, one to design the bulb-fetcher, and one to design the bulb.

Q: How many sheep does it take to change a lightbulb ?
A: Twenty-one. One to change it and twenty to follow him round while he looks for a new one.

Q: How many Vulcans does it take to change a light bulb?
A: Approximately 1.00000000000000000000000

Q: How many violists does it take to change a lightbulb?

A: I dont know; they cant reach that high.

How many Microsoft employees does it take to change a light bulb?

1003. Two to hold the ladder, one to screw the light bulb into a faucet, and 1000 to flood the internet with rumors about the upcoming faucet-bulb feature in the next version of Windows.

Q: How many blind people does it take to change a light bulb?
A: If the switch is off, one. If the switch is on, any number, until one of them figures out to turn it off.

Q: How many Unix hacks does it take to change a light bulb?
A: One, but first he has to determine the correct path.

Q: How many psychiatrists does it take to change a lightbulb ?
A: How many do *you* think it takes?

Q: What do a Soviet emigre and a fifteen-watt light bulb have in common?
A: Neither one is very bright.

Q: How many Paul Daniels does it take to change a lightbulb ?
A: None. And thats magic !