Yisela The Upper Paleolithic or Late Stone Age begins and ends with a revolution. The first one is what can be considered the 'official' appearance of art, some 50,000 years ago. The second, the invention of agriculture, 40,000 years later. The earliest sample of Paleolithic art is the shells with holes and chipped edge modifications from Ksar Akil. These flakes show regular teeth distributed ...

For the geo-geeks out there, I have finished my geologic timescale brush; now better and more accurate than the previous one. Download the Illustrator file here Download .EPS file here Included is a swatch folder with all the colours as per the instructions of the International Commission on Stratigraphy: You are welcome to use this in ...

Jack Horner is a paleo-dude of the purest water. He is funny, knowledgeable and loves dinosaurs so much he wants to build one. And it is actually feasible. Chickens are basically altered dinosaurs, and fiddling with switching on and off genes will give you a chickenosaurus. See the TED talk. Best dude around ...