New excavations in Siberia reveal that one sure sign of birdiness, the presence of feathers, has very deep roots in the dino evolutionary tree; indeed, dinosaurs may have been sporting feathers from the very beginning of their existence about 240 million years ago. (sciencemag.org)
The building of a good shelter is one of the main instincts, which was implemented into us by the Mother Nature in the very beginning of our existence on the planet Earth. (artjoker.net)
Uber spent much of the beginning of its existence launching in markets across the U.S. before receiving regulatory approval. (recode.net)