Seymour: Hello! Seymour Science here on a chilly, no, windy, no, sunny day. Today we're talking about seasons, with my expert friend - Gabby. Gabby: Thanks Seymour, so what are seasons? Well, in ...

In this video, learn about different parts of the human eye and how our sight works. Follow me please class. We’re here at the optician’s to get a good look at a human eye and find out how it ...