Next week it will be 27 years since the sitcom first debuted in October 1988 and some of the stars have gone on to feature in the likes of Scrubs and The Big Bang Theory. Roseanne Barr. Roseanne Barr played Roseanne Conner, the matriarch of the central family. Playing a character who was bossy and loud, the show was Roseanne's vision of exploring a working class family and their issues. After the sitcom ended, Roseanne went on to launch her own talk show, which ran from 1998 to 2000.
The first primate-like mammals, or proto-primates , evolved in the early Paleocene Epoch (65.5-55.8 million years ago) at the beginning of the Cenozoic Era. They were roughly similar to squirrels and tree shrews in size and appearance.
Some argue that humans began changing the global environment about 50,000 years back, in the Pleistocene epoch, helping along if not outright causing the mass extinctions of megafauna, from mammoths to giant kangaroos, on most continents. Others date it to the emergence of agriculture some 7,000 years ago.he beginnings of burning fossil fuels to power machines in the 19th century initiated a change in the mix of atmospheric gases, and the first nuclear weapon test on July 16, 1945, spread unique isotopes across the globe.