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.
The Asian pear (Pyrus pyrifolia), which thrives in USDA hardiness zones 5 to 9, is available in many cultivars. As with other pear trees, it erupts into a profusion of white blossoms in the springtime. In the summer, the Asian pear produces edible brown or yellow-green fruit sometimes called sand pears or apple pears.