The Ultimate Pizza Quiz

Matthias Schleiden and Theodor Schwann came up with the cell theory after observing cells for many decades. They determined that all living things are made up of cells, that cells are the basic units of structure, function and physiology, and that living cells can only come from pre-existing cells.

If you're looking to improve your grades, listen to some music! Studies have shown that listening to music while studying can trigger your learning and help you memorize things better. It is believed that music puts you in a powerful state of concentration that aids in processing more information than usual.

Kids can be quite inquisitive. A 2013 study from an online retailer recorded the questions that children ask the adults around them. On average, the adults answered nearly 300 questions per day! The hardest questions adults said they were asked included ‘Why is water wet?’ and ‘What are shadows made of?`