1. The brain hemispheres take turns sinking into the sleep stage characterized by slow brain waves. 大脑半球轮流进入以慢脑波为特征的睡眠阶段。
2. They are subject to climatic occurrences such as weather systems, which impact upon hemispheres as a whole, and from continent to continent. 它们受到气候变化事件的影响，例如天气系统能影响整个半球和各大洲都有影响。
3. Birds also can sleep with both hemispheres resting at once. 鸟类也可以在左右半脑同时休息的情况下睡觉。
4. Curious if the left hemispheres were indeed remaining awake to process information detected in the surrounding environment, Dr. Sasaki re-ran the experiment. 佐佐木博士好奇左脑是否真的为处理从周围环境中检测到的信息而保持清醒，于是他重新进行了实验。
5. Water flushes differently in different hemispheres. 不同半球水的流向不同。
