上海后花园1314KWW
Can we ditch dark energy by better understanding general relativity?
A renewed suggestion that dark energy may not be real — dispensing with 70% of the stuff in the univ...
Mumbai floods: what happens when cities sacrifice ecology for development
As the storm that was hurricane Harvey deluged the areas around Houston, Texas, large parts of north...
Saudi rift with Qatar exposes growing division in the anti
This is the worst diplomatic crisis in the Gulf region in decades. On June 5, Saudi Arabia, United A...
Can the world’s megacities survive the digital age?
Today, megacities have become synonymous with economic growth. In both developing and developed coun...
Climate and the G20 summit: some progress in greening economies, but more needs to be done
On July 7, G20 leaders will gather in Hamburg for their annual meeting. One likely outcome: another...
Has the EU really solved its refugee crisis?
Less than two years after the European Union was confronted with an unprecedented influx of refugees...