Ancient Egyptian mummies still smell nice, study finds 研究发现古埃及的木乃伊 ...
Modern life makes us tired, right? But research from societies in Africa and South America suggests people in the ancient ...
生物通11 小时
一种测量植物细胞微观变化的创新方法
每当气温下降，云层从头顶飞过，或者太阳下山时，植物就会做出选择：保持其微小的气孔（称为气孔）打开以吸收二氧化碳并继续进行光合作用，或者关闭气孔以保护其宝贵的水分储存。这种打开和关闭气孔的能力需要植物通过调节气孔细胞内的压力来对细微的环境变化做出反应——这是一种植物经过数亿年进化而来的复杂能力。
21st Century Business Herald4 天
Simon Erickson: Market pullback is necessary for overvalued 'Big 7' shares
It's Meta, Microsoft, Amazon, Apple, NVIDIA, and Alphabet and Tesla. And together, they were 33% of the S&P 500 index. Of course, the S&P 500 is a weighted index based on market cap, but the top seven ...