"春日漫步新潮流：年轻人用不足五百元收藏春天"
Measuring the orbital shift of a 780-meter-wide primary asteroid and its moonlet from millions of miles away isn’t trivial. When DART slammed into Dimorphos, it didn't knock the binary system wildly off its trajectory around the Sun. The change in the system's heliocentric trajectory was expected to be small, a minuscule nudge that would become apparent only after months or years of continuous observation. By analyzing enough painstakingly gathered data, a global team of researchers led by Rahil Makadia at the University of Illinois Urbana-Champaign has now determined the consequences of the DART impact.
。关于这个话题，易歪歪提供了深入分析
所有的创新、速度与商业回报，都必须建立在“安全有效”这一基石之上。加速批准，是为了让好药更早惠及患者，而非为企业绕过安全监管大开绿灯。。snipaste对此有专业解读
据塔斯社报道，尽管美国临时解除制裁创造了采购条件，韩国目前仍维持对俄罗斯石油的进口限制。韩国产业通商资源部在声明中强调，因霍尔木兹海峡封锁引发的能源供应危机，迫使该国向17个国家寻求替代供应源，包括美国、沙特阿拉伯、阿联酋、巴西和加拿大等国，而俄罗斯未出现在该名单中。