自荐龙凤419TCX
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...
How to live with bears
Bears have been on Europeans’ minds lately, as violent encounters with these powerful mammals make i...
Trump’s new Afghanistan strategy gets one thing right but questions remain
Despite frequent past calls to disengage from Afghanistan after 16 years of US military involvement,...