The Economy. By Ben Casselman. After two straight elections dominated by economic issues, 2016 is shaping up to be â¦ another election dominated by economic issues. In polls, voters consistently rank the economy as their top concern, and candidates from Jeb Bush to Bernie Sanders have put dollars and cents at the center of their campaigns.
There are approximately 3 million active geocachers worldwide, with more than 830,000 active users in the U.S., more than 375,000 in Germany and more than 160,000 in the United Kingdom.
How many species are there? There are about 3,000 known species of cicada worldwide, according to the Smithsonian Natural Museum of History. There are annual cicadas, which appear every year, and periodical cicadas, such as the ones emerging in the northeast U.S., which appear in 13- and 17-year life cycles.