ahlam1399
07-15-2018, 07:59 PM
A fossil found in Argentina that is more than 200 million years old suggests the most giant of dinosaurs existed earlier than paleontologists believed.
أكثر... (https://www.nytimes.com/2018/07/11/science/giant-dinosaurs-evolution.html?partner=rss&emc=rss)
أكثر... (https://www.nytimes.com/2018/07/11/science/giant-dinosaurs-evolution.html?partner=rss&emc=rss)