Randomized Controlled Trials (RCTs), or A/B testing, have become the gold standard for optimizing various operational policies on online platforms. However, RCTs on these platforms typically cover a l ...

引言生命之树（Tree of Life）的枝桠如何分化、延伸，最终形成我们今天所见的万千物种？这是一个让查尔斯·达尔文（Charles ...

BEIJING, Sept. 12 (Xinhua) -- Chinese scientists have revealed for the first time the three-dimensional structure of the light energy utilization system of Coccolithophores, a famous photosynthetic ...

Scientists use drones equipped with LiDAR and multispectral sensors, along with ground surveys, to monitor Picea mongolica, an endangered tree species. They have developed the first digital 3D atlas ...