19/07/2016

Questions and answers about US fuel economy standards

The U.S. government has issued a report on fuel economy and greenhouse gas standards for U.S. cars and trucks that were first established in 2012. The report Monday kicked off a two-year review process leading to a government ...

Beijing says air quality improved in first half of 2016

Beijing's notoriously awful air quality improved significantly in the first half of the year, with actions taken to curb the city's heavy pollution having a positive effect, officials in the Chinese capital said.

Weird quantum effects stretch across hundreds of miles

In the world of quantum, infinitesimally small particles, weird and often logic-defying behaviors abound. Perhaps the strangest of these is the idea of superposition, in which objects can exist simultaneously in two or more ...

page 12 from 12