The sterile insect technique is a method of biological control in which millions of sterile insects are released into the wild to reduce the population of future generations through mating that does not produce offspring. It is often used to control the populations of insects that spread disease to humans or livestock. Repeated release of sterile insects can eventually eliminate a population. The technique has been successfully used to eradicate what insect in areas of North America?
Back in the day
The Open Championship of the British Isles, or the Open, is the oldest and one of the most prestigious golf championship tournaments in the world. It began in 1860 at Scotland's Prestwick course and is now rotated among select courses in England and Scotland. The first tournament was won by Willie Park, who also recorded the tournament's highest single-hole stroke total—21. Though today the Open has a multimillion-dollar prize fund, there was no prize money initially. Instead, Park won what?
Born on a day like today
Knievel was an American daredevil and icon of the 1970s. He began doing motorcycle stunts as a teenager, then embarked on an incredibly varied career that included professional hockey, a stint in the army, work in copper mines, and eventually crime—safecracking and holdups. In 1965 he "went straight" and took up performing dangerous and thrilling stunts, which did not always go smoothly and eventually earned him the record for most broken bones in a lifetime. What canyon did Knievel try to jump?