科學

科學(英語:science,詞源為拉丁文「scientia」,意為「知識」)是一種系統性的知識體系,它積累和組織並可檢驗有關於宇宙的解釋和預測。 --來自 維基百科


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2015/09/20 | Yang

How Long Do Most Mammals Take To Urinate? Taiwanese-American Scientist Finds The 21-Second Rule

Taiwanese-American David Hu studies fluid dynamics and when his son was three years old, Hu had to take him to the toilet every 30 minutes where his son would spend an average of 20 seconds. Hu was curious why it took such a small body so long to urinate.