Odd that so many forms of life were a bit larger in the distant past. I gather p...

		uniqueid on Dec 18, 2018 \| parent \| context \| favorite \| on: Long Before Trees Overtook the Land, Earth Was Cov... Odd that so many forms of life were a bit larger in the distant past. I gather physicists are sure that gravitational G is a constant (as opposed to a variable). I wish I'd studied more physics so I could evaluate how silly an explanation that would be.