› added 6 years ago

2644

TIL that PowerPoint Karaoke is an improvisational activity in which a participant must deliver a presentation based on a set of slides that they have never seen before.

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kOMP1 TIL about industrial melanism,where darkly pigmented insects are selected over lightly coloured ones in industrial areas,because the trees are blackened by soot and provide camouflage.
QbWp TIL in the early 90s Ozzy Osbourne announced his retirement tour. It was called “No More Tours”, a pun on his No More Tears album, however in 1995 he returned to touring, dubbing his concert performances “The Retirement Sucks Tour”.
l7YNA TIL about Low-Background Steel, which is any steel made before the first nuclear explosion. It is used for very sensitive equipment like Geiger counter
QNPy6 Til about Storegga landslides, series of submarine landslides in the Norwegian Sea that triggered massive tsunamis that hit the British isles between 2000 and 8000 years ago.
J1MW1 TIL that grapefruit juice should not be mixed with some drugs, because it can affect the speed of drug's metabolization, resulting in too big or too little dose.