Best Kept National Security Secrets of the U.S.

#313. TV "game shows" of the 1980s were used to test the effectiveness of "suggestion" on audiences, contestants, or "hosts".

#312. WiFi (2.4 GHz) is the frequency used to heat food in a "microwave" oven.

#311. The vaccine has caused sterility in a non-zero number of women after the first "shot".

#310. Every "noise" is not created equal.

#309. Germany poured insignificantly more concrete during World War II than their capacity to produce "cement".

#308. Tinnitus is caused by "electromagnetic noise" or "sensitivity" to it.