Featured by Bob Sillery (Editor), Diane Lanigan and Angela Palmer (Research)
Old Faithful: How It Works
Ever wonder how geysers work? Our FYI editor explains these natural eruptions of steam and water.
What was the purpose of the caboose on trains?
The caboose roof was a convenient spot from which to scan for problems. Technology has rendered the caboose obsolete, however.
How are buildings examined for possible anthrax contamination?
Does an announcement that no anthrax was found mean with certainty that none is there?