I kept trying to think of puns about the eye during my biology lesson, when we dissected one. To be honest, they kept getting cornea and cornea....

A Russian officer is giving his cadets a lesson about chemistry. He says: ""Cadets, write down: the temperature of boiling water is 90."" One of the privates replies, ""Comrade praporshchik, you're mistaken it's 100!"" The officer consults his handbook, and then announces, ""Right, 100. It is a *right angle* that boils at 90.""

Phantom energy So, our science teacher was teaching us about phantom energy. At one point of the lesson, he puts his phone on the counter and says; ""If I leave my phone here it will eventually die."" After a little pause I hear another student whisper and say; ""Same with children"".

A scientist, a doctor and a janitor discover an old lamp... The scientist rubs the lamp and sure enough a genie pops out! ""Thank you for releasing me!"" said the genie, ""You can have anything you like, providing you do one days work of a different profession. You may choose what you want to do."" The scientist goes first, ""Well I've always thought that being a kindergarten teacher would be an easy job."" BAM! The scientist is transported to a kindergarten. The scientist begins his lesson by a…