Robittybob1

Didn't you mean "cosmic"?

When was the last time there was a flying elephant landing near you?

No wonder the mathematician got constipated. He underestimated the length of time it would take to precisely locate his slide ruler.

What is the net result if he gets the calculation wrong?

Even the aquatic mammals e.g seals didn't become fully aquatic (get their oxygen from the water like fish do) either, they still need to come up for air now and then. So even they drown I believe. http://news.nationalgeographic.com/news/2012/01/120106-harp-seals-global-warming-sea-ice-science-environment/ - see there is at least one article confirming that.

Exactly it came to a matter of opinion and there was no way to make the decision final. But it gained my support for a semi-aquatic stage during human evolution.

I certainly support the AAT but in the end, because evolution is so slow, it becomes impossible to say why our genes were an advantage or non life threatening over the millions of years the changes have been occurring. There was really good discussion of the topic on another sister forum last year. It probably would come up on a Google search "aquatic Ape again" forums.