Hi, I'm Scientific American podcast editor Steve Mirsky. And here's a short piece from the October 2019 issue of the magazine, in the section called Advances: Dispatches from the Frontiers of Science, Technology and Medicine.
The article is titled "Quick Hits," and it's a rundown of some science and technology stories from around the globe, compiled by editorial intern Jennifer Leman.
Wildlife biologists found that adolescent male Asian elephants, usually solitary, are forming large, all-male herds, possibly to help them survive in human-dominated areas.
Archaeologists studying charred lake sediments found evidence confirming a cryptic historical record saying the ancient Mayan city of Bahlam Jol burned on May 21, 697 A.D. The research indicates it was an act of war, which included civilian aswell as military targets.
From Hong Kong:
Hong Kong's government revealed plans to build an artificial island to alleviate the nation's housing crisis, but that triggering concerns from activists and residents about nearby marine ecosystems.
From Papua New Guinea:
The government of Papua New Guinea aims to build more than 3,700 miles of road through its rugged landscape by 2022, which a team of scientists cautioned could impact species across the country.
Researchers rediscovered two fern species—both thought to be extinct—on the mountaintops of Queensland. Hymenophyllum whitei and Oreogrammitis leonardii had last been spotted in the wild more than 50 years ago.
President Jair Bolsonaro fired the head of the Brazilian National Institute of Space Research after the agency reported that deforestation in the Amazon this summer increased significantly from 2018. And that will solve the problem.
That was Quick Hits, by Jennifer Leman.
研究烧焦的湖泊沉积物的考古学家发现了证据，证实了玛雅古城巴赫拉姆在公元697年5月21日被烧毁这一秘密历史记录 。研究表明，这是一种战争行为，涵盖民用目标和军事目标 。
研究人员在昆士兰山顶上再次发现了两种被认为已经灭绝的蕨类物种 。人们上一次发现Hymenophyllum whitei和Oreogrammitis leonardii这两种蕨类是在50多年前 。
巴西总统雅伊尔·博索纳罗解雇了巴西国家太空研究院院长，此前，该研究院报告称，今年夏天亚马逊地区的森林砍伐情况较2018年大幅增加 。此举将解决问题 。
1. as well as 除…之外；也；还；
Other countries vary the coloring of their bank notes as well as their size.
2. plan to do sth. 计划；筹划；谋划；
They plan to challenge the constitutionality of the law.
3. aim to do sth. 致力于；旨在；以…为目标；
They aim to reduce unit costs through extra sales.
4. more than 超过；超出；
He supervised and trained more than 400 volunteers.