The fruit fly, Drosophila melanogaster, has been the most popular eukaryotic organism used in classrooms. It has been used in heredity and biomedical research where the aims are to understand human genetics and developmental processes. It is also a popular model for teaching Mendelian genetics.
National Pears Helene Day. Itâs National Pears Helene Day! Pears Helene, or Pears Belle-Helene, is a delicious French dessert that combines warm poached pears, vanilla ice cream, and chocolate sauce. Auguste Escoffier created this dish and named it after the opera La belle Helene.
There are almost 3000 varieties of pears found across the world. Some of the most common varieties of pears include: 1  Bosc: It is a cinnamon brown colored pear, with a long, tapered neck and honey-like flavor. 2  Bartlett: Bartlett is considered the best variety of pear. 3  It comes in colors like yellow and green. 4  Comice: Comice is a round, short pear with red or green colorings.