Newly discovered mechanism propels micromotors

Scientists studying the behavior of platinum particles immersed in hydrogen peroxide may have discovered a new way to propel microscopic machines. The new mechanism is described in The Journal of Chemical Physics.

Urban soil quality and compost

With higher populations and limited space, urban areas are not often thought of as places for agriculture. A recent surge in community gardens, though, is bringing agriculture and gardens into the cities. And certain byproducts ...

Out of Eurasia, a great primate evolutionary bottleneck?

On the road to our modern human lineage, scientists speculate there were many twist and turns, evolutionary dead ends, and population bottlenecks along the way. But how large were population sizes of common ancestors of the ...

Taiwan's struggling HTC aims latest 'phablet' phone at China

Struggling Taiwanese phone manufacturer HTC launched its latest plus-sized handset in Beijing Tuesday, hoping to cash in on the fast growing Chinese market where users are demanding increasingly larger screens.

US high court will review global warming rules (Update)

The U. Supreme Court agreed Tuesday to decide whether to block key aspects of the Obama administration's plan aimed at cutting power plant and factory emissions of gases blamed for global warming.

Amazon fish has super-shield against piranhas

An "armoured" fish living in the Amazon has evolved a remarkable multi-layer defence against the voracious piranha, materials scientists reported Tuesday.

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