News tagged with national academy of sciences

Picking up on the smell of evolution

UA researchers have discovered some of the changes in genes, physiology and behavior that enable a species to drastically change its lifestyle in the course of evolution.

dateJan 28, 2015 in Evolution
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Isotopic memory of atmospheric persistence

Chemical analysis of some of the world's oldest rocks, by an international team led by McGill University researchers, has provided the earliest record yet of Earth's atmosphere. The results show that the air 4 billion years ...

dateJan 15, 2015 in Earth Sciences
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