› added 2 years ago

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TIL that Linoleum is considered to be the first genericized trademark, having lost the ability to obtain trademark protection in the late 1800s — just 14 years after its introduction.

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4XWeN TIL about Amy Rorbach, a reporter for ABC News, who underwent a mammogram live on air in 2013 to promote the procedure for Breast Cancer Awareness month. It was discovered that she did have cancer, and the procedure likely saved her life.
J7LV TIL In captivity, a killer whale is usually confined to a small pool, where it spends much time at the surface and often has to swim in a circle. Consequently, the tissue in its dorsal fin doesn’t get much of a workout, and starts to atrophy (wastes away due to lack of use), and it falls over.
0dNp1 TIL of "sun outages" in days near the equinoxes, in which signals to or from geosynchronous communication satellites are drowned out by the radio noise blasting from the sun as the satellite or the earth from the satellite's POV moves slowly near it.
R7Lx9 TIL about Alejo Garza Tamez a 77 yo mexican hunter whom on 2010 was given 24 hours, by cartel members, to leave his ranch. Instead he armed himself, waited for them and managed to kill 4 sicarios, injure 2 more and make the rest run away.
WkGlA TIL of Carrier Strike Group 11, currently commanded by Rear Admiral James "Jim" Kirk. In the past this Group included the aircraft carrier USS Enterprise (CVN-65). A new USS Enterprise (CVN-80) is set to be operational in 2027.