New microfossils suggest earlier rise in complex life

Microfossils from Western Australia may capture a jump in the complexity of life that coincided with the rise of oxygen in Earth's atmosphere and oceans, according to an international team of scientists.

Can factory chicken really help save the climate?

Stephane Dahirel doesn't exactly say eat chicken and save the planet, but that is what he's hinting at as he opens a shed door on his intensive farm in Brittany, western France.

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