January, 2015 was the second warmest January for land and sea temperatures, continuing the trend of a warmer earth. But the distribution of warmth and cold has changed from previous months.
Ancient Roman civilization left behind numerous legacies that we still study and admire – including their amazing cement. What’s the secret behind the stately buildings of Roman times? Roman Technology Modern cement owes its origins in part to ancient Roman engineers who utilized volcanic components from Mount Vesuvius to create a unique cement that took […]