Tibetan lakes in the endorheic basins serve as a sensitive indicator to regional climate and water cycle variability.

A comparison of the three maps in Figure 1 shows that the ecological security of Wuhan from 1996 to 2006 deteriorated. However, the trend strengthened from 2006 to 2010. Jiangxia District underwent the most significant changes, transitioning from high-risk to medium-, low- and relatively low-risk. Caidian District is in second place.

Marrying interracially was not always socially acceptable.

Recent research has shown that sleep allows for the clearing of toxic substances from the brain. It does this through the glymphatic system, which is the brain's equivalent of the lymphatic system.