The origins of Halloween Day 2000 years ago for the Celts, who lived around the British Isles and northern France. 1. November, the new year, which were collected after the end of the summer harvest. The night before Samhain was their party, they thought the world of the living and the dead were closer to [...]

Many of us remember the light microscope, the school science courses. I remember a single instance of preparation, usually by an insect or in part stems from a metal plate or plants, and crushed into a fragile glass slide. She spent the next minute, look in the eye and fiddling with buttons and small mirrors [...]