evolution

What the “fecal prints” of microbes can tell us about E

Published: 23Dec2014

The distinctive “fecal prints” of microbes potentially provide a record of how Earth and life have co-evolved over the past 3.5 billion years as the planet’s temperature, oxygen levels, and...

Mining ancient ores for clues to early life

Published: 10Dec2012

An analysis of sulfide ore deposits from one of the world’s richest base-metal mines confirms that oxygen levels were extremely low on Earth 2.7 billion years ago, but also shows that microbes were...

How birds got their wings

Published: 17Sep2013

Birds originated from a group of small, meat-eating theropod dinosaurs called maniraptorans sometime around 150 million years ago. Recent findings from around the world show that many maniraptorans...

Mammals, spiny plants and the savanna story

Published: 7Sep2016

McGill Newsroom The evolution and distribution of spiny plants holds clue to spread of African savanna

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