It's OK to use your smartphone walking down the street or on public transportation. But not at a family dinner. And definitely not in church.
Aug 26, 2015 in Other
Malformed fossil plankton reveal that heavy metal pollution might have contributed to world's largest extinction events
Several Palaeozoic mass extinction events during the Ordovician and Silurian periods (ca. 485 to 420 to million years ago) shaped the evolution of life on our planet. Although some of these short-lived, periodic events were ...
Aug 25, 2015 in Earth Sciences