News tagged with ancient ancestor

Evolutionary origin of the turtle shell

Through careful study of an ancient ancestor of modern turtles, researchers now have a clearer picture of how the turtles' most unusual shell came to be. The findings, reported on May 30 in Current Biology, help to fill a ...

dateMay 30, 2013 in Evolution
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6 million years of savanna

University of Utah scientists used chemical isotopes in ancient soil to measure prehistoric tree cover – in effect, shade – and found that grassy, tree-dotted savannas prevailed at most East African sites where ...

dateAug 03, 2011 in Plants & Animals
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