200 million year old dinosaur footprints are found in Africa
a group of scientists discovered the footprint of a giant carnivorous dinosaur in southern africa nearly 200 million years ago.Footprints of 13,000-year-old people are found off Canada's Pacific coast
traces of ancient people outside canada's pacific coast may have been 13,000 years old, according to a study published march 28, 2018 on duncan's mclosen and colleagues from the