15/05/2017

Grassy beginning for earliest Homo

In 2013, an ASU research team found the oldest known evidence of our own genus, Homo, at Ledi-Geraru in the lower Awash Valley of Ethiopia. A jawbone with teeth was dated to 2.8 million years ago, about 400,000 years earlier ...

Understanding changes in extreme precipitation

Most climate scientists agree that heavy rainfall will become even more extreme and frequent in a warmer climate. This is because warm air can hold more moisture than cold air, resulting in heavier rainfall.

Quantum reservoir for microwaves

In a recent experiment at EPFL, a microwave resonator, a circuit that supports electric signals oscillating at a resonance frequency, is coupled to the vibrations of a metallic micro-drum. By actively cooling the mechanical ...

Producing fertilizer from air could be five times as efficient

African farmers who are able to produce their own fertilizer from only air. Bhaskar S. Patil brings this prospect closer with a revolutionary reactor that coverts nitrogen from the atmosphere into NOx, the raw material for ...

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