A vector that simply conveys pathogens to a susceptible individual and is not essential to the development of the organism.
Why Did “Noon” Used To Mean 3:00? To most, the word noon signifies a specific time of day–namely, 12:00 midday, a.k.a. “lunchtime.” The counterweight to 12:00 midnight. But, surprisingly, the term noon wasn’t always shorthand for midday at 12:00; in fact, it used to refer to a different time of day altogether. First, some essential background. Clocks and watches are relatively new inventions. Though some timekeeping devices, like sundials and water clocks, …
Take A Ride Around The World On These Unusual TransportsOne way to get to know a country is through its food. Another way is by using the country’s public transportation. Some unique modes of transportation are just for fun, like dog-sledding trips in Norway and zorbing in New Zealand (which involves rolling down a hill inside a giant inflatable ball, just saying). Other means of transportation are more practical . . . here’s a …
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.