What kind of fish is made of only two sodium atoms? 2 Na Why is it so easy to stay awake until 6am, but so difficult to get up at 6am? Because things in motion tend to stay in motion, while things at rest tends to stay at rest. If you have any science jokes you like feel free to post them, everyone should be able to post in this community. :) Did you hear about the man who got cooled to absolute zero? He's 0K now.