上海千花论坛 怎么没了NHO
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...
Protests in Colombia and South Africa reveal link between inequality and popular uprisings
Ongoing anti-government demonstrations in Brazil. The Women’s March on Washington. Protesters in Mor...
How to fix Latin America’s homicide problem
In the 1990s, the capital of Colombia’s mountainous Antioquia province Medellin had one of the world...
International PISA tests show how evidence
The Programme for International Student Assessment (PISA) implemented by the OECD has been controver...