Kejun (Albert) Ying

I think one of the conclusions we should draw from the tremendous success of LLMs is how much of human knowledge and society exists at very low levels of Kolmogorov complexity. We are entering an era where the minimal representation of a human cultural artifact... (1/12)

Instead of "healthspan," we should be thinking about "Peakspan." How long can you maintain ~90% of your peak physical or cognitive function? According to a new paper, different systems reach their “Peakspan” at very different times. Fluid cognitive abilities like processing speed and working memory peak early, around ages 20–30, while crystallized intelligence doesn’t peak until the late 40s or early 50s and can remain stable into the 70s. Cardiorespiratory fitness peaks from adolescence to the mid-20s and then declines steadily, while muscle strength peaks in early adulthood and falls sharply after 60. Bone density, kidney function, hormone levels, sensory function, immunity, digestion, and reproductive capacity all follow their own trajectories too—some peaking in the 20s, others in the 40s or 50s. In other words, human aging is asynchronous. We don’t simply age “overall,” but instead age system by system.

现在好像可以吹那个牛逼了 我做出了史上最强的科研绘图工具！ 新加的转矢量图功能简直强到可怕