Episode 201012 / 12 Oct 2020 New estimates suggest that two-fifths of the world’s plants are facing extinction Botswana: Mystery elephant deaths caused by cyanobacteria 博茨瓦纳数百头大象离奇死亡 原因为水中蓝藻细菌 Episode ...
当暮色降临佛山,美伦国际高中的校园操场上,一场跨越文化与学科界限的“探索夜空奇观”天文夜活动,悄然将20余名学子带入科学与想象交织的国际视野课堂。这不仅是观星,更是一次以星空为纽带、融贯中西教育理念的沉浸式学习体验。
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.