3. The Guardian,Robert May, former UK chief scientist and chaos theory pioneer, dies aged 84, https://www.theguardian.com/science/2020/apr/29/robert-may-former-uk-chief-sci...
Grandpa was always there with her. Finally, one Saturday I saw my opening. My grandfather had gone into town to buy some Bengay.I guess the yard work was starting to get
更多内容请点击：横跨物理、数学、生态,定义流行病学R0值的世界顶尖科学家梅男爵去世