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97

TIL heavy smoke conducts electricity.

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EMKw TIL The SR-71 had an armed version called the F-12, which carried three Falcon missiles that were capable of mach 4. The aircraft was actually tested and shot down a bomber from nearly 74,000 feet. It was cancelled when Robert McNamara refused to release its funding, and instead spent it on Vietnam.
WNKY TIL that sudden testicular pain can be a symptom of testicular torsion. It occurs in about 1 in 160 males before 25 years of age and if not treated within 6 hours, can result in loss of the testicle.
Gvpj TIL mothers are twice as likely to directly mistreat their children than fathers.
m1nmv TIL fuel made from grass is called "grassoline"
KvLR TIL Dr. Kelsey, despite immense pressure from pharmaceutical companies, decided not to approve thalidomide for morning sickness in the U.S., saving a whole generation of children from death and deformities