Fossil shows mammals diversified earlier
A fossil from 164 million years ago, found in China, shows that mammals diversified much earlier than thought, even in an age dominated by dinosaurs.
Researchers model the physics of mudflows
Mudflows initiated by natural processes at old, inactive volcanoes contributed to the tragic mudslide in Guinsaugon, Philippines, say researchers.
Kennewick Man was deliberately buried
U.S. scientists studying the 9,200-year-old Kennewick Man say the man was deliberately buried -- not just covered over with sediment.
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