Animals getting bigger and how cannabis causes hunger

YouTube: SciShow News delves into the history of marine animals and finds that they’re getting bigger, and unlocks the secret of how cannabis creates one of its most medically useful effects
MilkmanDansays...

He said an average of 150 times larger. That seems ... unlikely. 150 percent, maybe -- and still a statistically significant increase.

A quick google search suggests yellowfin tuna commonly range from 40-150cm long, and up to 70kg in weight/mass. If they are close to the "average" of 150 (times? or percent?) larger, the species would have started out at about a half kilogram MAX (more like a small trout) if "size" is determined by mass. Or about 1/4 to 1 cm long (like half a guppy) if determined by length.

Both of those make more sense if it was 150% -- that would be early tuna in the range of 50kg (by mass) or 26-100cm (by length).


And then there was the "maximum size increased by 100,000 times" line. By mass, that is like the trout evolving into a blue whale. Yeah, I am guessing that is a percent again. Still means 1000 times bigger, which is massive.


I tried searching YouTube comments to see if anyone else brought this up, but they are YouTube comments. Hah! Silly me, thinking that YouTube comments on something like SciSchow might be at least partially exempt from the "sanity free zone" that pervades YT.

siftbotsays...

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