Archives for May 2, 2014

  1. DEN Weekly Update 5-2-2014

    gadsden

    This week’s DEN Weekly Update is full of great information for you! Here are just a few things to make sure you explore: Teacher Appreciation Week Take the DEN to Work Day 30 Minutes of Discovery May Community Calendar Click here to learn about these great opportunities and more in the DEN Weekly Update. Your […]

  2. Fun Fact Friday: Penicillin

    Did you know that the antibiotic penicillin was discovered by accident, when a scientist was cleaning his lab? It’s true! In 1928, Alexander Fleming was soaking dirty Petri dishes in a disinfectant when he noticed that one of the moldy dishes that had previously held Staphylococcus (the origin of the “staph infection”) had its bacteria […]