A vertical plane at right angles to a sagittal plane, dividing the body into anterior and posterior portions.frontal plane
Why are planes named after numbers, like the 747? Is there a 947 or a 658?
After World War II, one of the largest aircraft manufacturers, Boeing, turned its attention from designing military craft to building commercial planes, along with missiles and spaceships. (Unrelated fact: when Boeing was forced to spin off its passenger flight division, the newly-formed company became United Airlines. Back to the late 1940s: Model numbers were assigned to each division of aircraft (from the Boeing website:) “300s …
If you see an odd glow in the sky tonight, here’s what it’s called and its cause
You’ve heard of the northern lights? The next few days you may be able to see lights even if you aren’t that far north. The sun erupted on Sunday, spewing plasma, “a highly ionized gas containing an approximately equal number of positive ions and electrons” right in our direction. There’s no reason to freak out; solar storms are relatively common, and the most significant impact they have on …
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.