"In the end, we believe that artificial photosynthesis devices will be much more efficient than natural photosynthesis, which will provide a path toward carbon neutrality," said Zetian Mi, U-M professor of electrical and computer engineering.

A newly launched satellite aims to measure how Earth's rotation drags the fabric of space-time around itself - an effect of Einstein's general theory of relativity - ten times more accurately than ever before. The Laser Relativity Satellite 2 (LARES-2) launched from the European Space Agency (ESA) spaceport in Kourou, French Guiana, on 13 July.

Negative rates are the destruction of money, an economic aberration based on the mistakes of many central banks and some of their economists who start from a wrong diagnosis: the idea that economic agents do not take more credit or invest more because they choose to save too much and therefore saving must be penalized to stimulate the economy.