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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.

Baby birds hatch with ability to mimic mom

Singing a gentle lullaby can help put a human baby to sleep but its usefulness in the low grassland swaying nests of Australian songbirds takes maternal 'singing' to even greater heights.

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