[jpsb]

Fill me in would you please, 65 million years ago the earth was warm and TRex was walking around, when did the ice age or ice ages begin? How long did they last and are we still in one. Thanks. I'll google while waiting to here from you.

[blam]

"Fill me in would you please, 65 million years ago the earth was warm and TRex was walking around, when did the ice age or ice ages begin?"

Sorry, my interest lie in the history of humans. I don't do dinosaurs.

[Torie]

TRex did just fine in ice ages far colder than any man or cro-magnon man has ever experienced. TRex went down due to the asteriod that hit the Yucatan, along with most larger animal life on this planet. That is in Bryson's book too.

[SunkenCiv]

The current ice age cycle (at the risk of duplicating another's answer, as I've only read this far into the thread) is about 2 million years old. The currently held myth is that the icecap in Antarctica is 20 million years old (formerly held to be 30 million years old, as in the NY Times absurdity about the NORTH polar ice melting back in 1999 or so) but in fact the fossils of temperate species found a couple hundred miles from the south pole are less than 3 million years old.

In the spirit of Aristotle, who stated that rocks do not fall from the sky but are carried from elsewhere by the winds, one future Nobel laureate claimed that the fossils must have been carried there -- presumably from South America, across open ocean -- by the wind.

I guess we know what kind of wind that sort of idea really is. ;')

Here's a new title from an author that just can't seem to bring himself to reject the New Lysenkoism, which is global warming / greenhouse effect.

The Long Summer: How Climate Changed Civilization by Brian M. Fagan