Water is pretty much mandatory (for life) in its current form. It's one of the few things that floats when frozen (which is why fish can survive winters), and it's polar structure is awesome for doin… (View Post)
Or because of the huge amount of water, the potential of having high oxygen content in the atmosphere, and truly large insects (sorry to bring it up again, but like in the mesozoic period) Or even a … (View Post)
Warning, you guys got me thinking about living things and biology again: @Chris1217 is right. Any small thing could drastically change the way an organism would look. Gravity, Oxygen content in the a… (View Post)
Also, scuba tanks (as far as I'm aware) don't automatically refill when in the presence of an atmosphere, so maybe a bunch of the tanks "volume" (read: why its so big) is actually used up b… (View Post)
Botanist/forester here. Get ready for some boring: Plants evolved slowly from Phytoplankton (photosynthetic plankton) to mosslike organisms to ferns, to Gymnosperms (things like pines), to Angiosperm… (View Post)
