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.
Hereâs what you need to do to ripen your pears: 1  Leave firm, unripe pears at room temperature so that they can ripen. 2  Check the Neck for Ripeness daily, by applying gentle pressure to the neck, or stem end, of the pear with your thumb. If it yields to pressure, then itâs ripe and ready to eat!