Blue whales return to the Seychelles 蓝鲸重返塞舌尔附近水域 Episode 231218 / 18 Dec 2023 Could the blue whale population be recovering? Cambridge University scientists create robotic hand able to hold objects ...
一项发布在《内科学年鉴》(Annals of Internal Medicine)上的新研究发现,每天一次长距离步行比多次短距离步行更有利于心脏健康,特别是对锻炼量较少的人来说。 The study looked at more than 33,000 adults aged 40 to 79 in the UK who walked fewer than 8,000 steps a day.