Low density of Earth's core due to oxygen and silicon impurities

During accretion and differentiation of the Earth, chemical interactions in a silicate magma ocean and liquid iron drove silicon and oxygen impurities into what went on to become the liquid outer core. Contrasting with previous ...

Shocking news about dust grains

(Phys.org)—The ubiquitous clouds of gas and dust found between stars provide the natal material for new stars and planets. These clouds are also dynamic factories that produce many complex molecules thanks to their rich ...

A simpler path to a catalyst

Researchers at ETH Zurich developed a new synthesis procedure for a catalyst. This procedure may be used for the large-scale production of, for instance, plastics from renewable resources in an environmentally friendly and ...

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