David J. Meltzer, Author at New ÐÓ°ÉÔ­´´ Science news and science articles from New ÐÓ°ÉÔ­´´ Fri, 09 Oct 1992 23:00:00 +0000 en-US hourly 1 https://wordpress.org/?v=7.0.1 242057827 How Columbus sickened the New World: Why were native Americans so vulnerable to the diseases European settlers brought with them? /article/1826939-how-columbus-sickened-the-new-world-why-were-native-americans-so-vulnerable-to-the-diseases-european-settlers-brought-with-them/?utm_campaign=RSS|NSNS&utm_content=currents&utm_medium=RSS&utm_source=NSNS Fri, 09 Oct 1992 23:00:00 +0000 http://mg13618424.700 1826939 The parching of prehistoric North America /article/1823422-the-parching-of-prehistoric-north-america/?utm_campaign=RSS|NSNS&utm_content=currents&utm_medium=RSS&utm_source=NSNS Fri, 06 Sep 1991 23:00:00 +0000 http://mg13117854.500 1823422