Dord

@swansont , my apologies for extending the discussion. @Xorim look at your mobile (cell) phone keypad

"Yes, but" replies the flat earther smuggly "the air gets thinner the higher up one goes which weakens the effect of the atmospheric distortion so one can see further." Simples 🤣

I and the team of detectives I supervise do exactly that, thank you very much Not by me they're not. Utter bollocks.

E=pc Thank you @Markus Hanke et al

How far have you got with trying to answer it yourself? Post your thought process and I might be able to give you some pointers.

Are you referring to the 5 (or sometimes 6) I's? • Inoculation • Incubation • Isolation • Inspection • (Information) • Identification Or something else?

Apologies, I omitted the following in error... https://en.m.wikipedia.org/wiki/ABO_blood_group_system#:~:text=The I designation stands for,the red blood cell antigens. Sourced from: Klug, William S.; Cummings, Michael R. (1997). Concepts of Genetics (5th ed.).

I was taught that the reason we use base 10 is simply because we have 10 fingers and thumbs.

Isoagglutinogen https://medical-dictionary.thefreedictionary.com/isoagglutinogen#:~:text=(ī′sō-ăg′,to which it is attached.

"Just what do you think you're doing, Dave?"

This thread reminds me of the "return journey effect" which has continued to confuse me since my childhood trips to the seaside. Source: https://www.psychologytoday.com/us/blog/talking-apes/202005/why-does-it-take-longer-go-there-come-back?amp

@Bufofrog is referring to the other, rather niche, Spanish Inquisition... https://en.m.wikipedia.org/wiki/The_Spanish_Inquisition_(Monty_Python) (I can't seem to embed a video)

I'm not sure if the US President has studied the Classics or not, but this quote springs to mind...

The OP may mean vitamin D which increases the absorption of certain minerals in the human body.