A healthy person usually has a platelet count of 150,000 to 400,000. You have thrombocytopenia if your number falls under 150,000. If you're wondering what the long name means, here's how it breaks down: thrombocytes are your platelets and penia means you don't have enough of something.
The Perseids are active from July 13 to August 26, according to the American Meteor Society, a nonprofit scientific organization that supports the research of astronomers, but the meteor shower peaks between August 12-13.
The major meteor shower was visible in the Northern Hemisphere. If you see one meteor shower this year, make it August's Perseids or December's Geminids, NASA says. The Perseids feature fast and bright meteors that frequently leave trains, and in 2015 there will be no moonlight to upstage the shower..