南方周末科创力研究中心，搭建中国企业科创力数据库，通过对运营主体/控股股东在中国的A股、港股和美股企业（也包括少量未上市，但有发布经第三方审计年报的企业）的研发投入、研发产出和企业经营等近30个指标进行梳理，以追踪中国企业的科创活动。
It's always a fun day for the space nerds when a NASA team has new images to share from the James Webb Space Telescope. Today's pair has brains on the brain, with a look at the fittingly named Exposed Cranium Nebula. More officially, this cloud of space dust and debris is known as Nebula PMR 1. The images shared today may capture a moment in the final stages of a star, as well as giving hints as to how the nebula got its brain-like shape.，推荐阅读91视频获取更多信息
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