Modern life makes us tired, right? But research from societies in Africa and South America suggests people in the ancient world slept only 6.5 hours a night.

为探究自然环境因素和人为因素对圈养动物行为的影响，研究人员以犀鸟为对象，开展了关于噪音、环境温度和相对湿度对其行为影响的研究。结果发现噪音、温度和湿度显著影响犀鸟的活动、休息和自我维护行为，这为评估动物福利提供了重要依据。

Modern life makes us tired, right? But research from societies in Africa and South America suggests people in the ancient ...

实践中，跨学科融合并非简单的知识叠加，而是通过设计综合性任务，让学生在解决问题的过程中自然运用多学科思维。

It’s (1) a nice Thursday morning. (2) The sun is shining brightly. We are in (3) a beautiful park with our teacher Miss Lin. ...