The bell rings and the students rush off home and the teacher is left with his desk and sometimes a literal mountain of work. Be Your Own Boss One thing that's different about teaching than some other jobs is that the teacher is...

What can you learn about clouds with a water bottle and a bit of smoke? Watch as Caleb demonstrates adiabatic cooling and heating, and recommends a $10 device every science teacher should have.

Watch Caleb demonstrate what chicken feet teach us about our own biology, then download the lab document below.