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時間:2022-08-22 來源:本站 點擊:258次

Biden accepts 'in principle' meeting with Putin: White House******

White House Press Secretary Jen Psaki said Sunday that President Joe Biden "accepted in principle" a meeting with Russian President Vladimir Putin.

Psaki's confirmation of a potential Biden-Putin summit followed a statement by the Elysee Palace in France saying the two presidents have "accepted in principle" a virtual meeting brokered by French President Emmanuel Macron, who held separate phone calls with Biden and Putin on Sunday.

Psaki said the summit would happen after a meeting between US Secretary of State Antony Blinken and Russian Foreign Minister Sergey Lavrov next week, provided that Russia will not invade Ukraine.

"We are always ready for diplomacy," she said in the statement. "We are also ready to impose swift and severe consequences should Russia instead choose war."

The latest development came as the United States has kept claiming Russia could invade its neighbor at any time, while Russia has denied any such plans, accusing Washington of "hysteria."

The Blinken-Lavrov meeting, agreed previously by the two sides, will take place on Thursday in Europe.




海军新任新闻发言人程德伟。澎湃新闻记者 赵昀 图


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Jeremy Lin comes back and signs for CBA's Beijing Ducks******

BEIJING, Nov. 30 (Xinhua) -- Beijing Ducks Basketball Club said on Tuesday that Jeremy Lin has signed a contract to play in the rest of 2021-22 Chinese Basketball Association (CBA) season, and his registration information has also been updated on the CBA website.。

"I finally come back. Playing basketball in China feels at home. Thanks all fans for the support, and I am looking forward to the second and third phase of this season," Lin said.。

In his 39 appearances for Beijing Ducks in the 2019-20 CBA season, Lin averaged 22.3 points, 5.7 rebounds, 5.6 assists and 1.8 steals in about 33 minutes per game, leading the team into the last four. Currently, Beijing Ducks ranks the 9th in the league with eight wins and five losses. Enditem。



Fossil stuck in 100 million-year-old amber is oldest "true crab" ever discovered


In 2015, two researchers stumbled across a piece of amber jewelry in a market in Tengchong, China, that was found by miners in Myanmar. The piece has a young, five-millimeter-long crab embedded in it.

2015 年,两名研究人员在中国腾冲的一个市场偶然发现了一件琥珀首饰,这枚琥珀最先是缅甸矿工发现的。琥珀中嵌入了一只 5 毫米长的幼蟹。

That crab would be a major discovery in the study of crab evolution. A research team dedicated to the little crab released their findings Wednesday after years of studying the fossil. The newly discovered species is named Cretapsara athanata, "the immortal Cretaceous spirit of the clouds and waters," after spirits from South and Southeast Asian mythology.

这只螃蟹是该物种进化研究的重大发现。一个研究小组经过几年对这件螃蟹化石的研究,于周三公布了他们的最新研究成果。新发现的物种被命名为 Cretapsara athanata,以南亚和东南亚神话中的神灵命名,意为“白垩纪不朽的云水之灵”。

Before this discovery, scientists faced a conundrum: the known fossil record, consisting of just a few claws and carapaces, showed that crabs that lived on land and in fresh water split from their marine relatives between 50 to 75 million years ago. But the molecular record, which compares differences in DNA and RNA, said that the crab families split more than 125 million years ago.


That's why scientist Javier Luque, a Research Associate at Harvard University and co-author of the research team, was so surprised to discover the crab, that looks similar to other marine crabs, in amber, which is solidified tree sap.

这就是为什么哈佛大学的研究助理,也是该研究小组的合著者哈维尔·卢克 (Javier Luque)对这件螃蟹化石的发现如此惊讶的原因。他发现这种螃蟹看起来与其他海洋螃蟹相似,呈琥珀色,被凝固在树液中。

"In a way, it's like finding a shrimp in amber," said Luque in a press release。


Using micro-CT scans, the team was able to capture tiny appendages like the crab's antennae, legs, the hairs on its mandible, compound eyes and even its gills that had all been perfectly preserved by the amber.

使用显微 CT 扫描,该团队能够捕捉到微小的附属物,如螃蟹的触角、腿、下颌毛、复眼,甚至是被琥珀完美保存的鳃。

The amber, dated to the dinosaur era, or 100 million years ago, bridges the gap between the two previously-known family splits and is, to this date, the oldest example of a "true crab" venturing onto land and the most complete fossil crab ever discovered, and indicates that crabs became terrestrial or amphibious around that time, much earlier than previously thought.

可追溯到1 亿年前的恐龙时代的琥珀弥合了先前已知的两个螃蟹家族分离时间上的鸿沟,并且是迄今为止最古老的“真正的螃蟹”冒险登陆陆地的例子,也是最完整的螃蟹化石,它的发现表明螃蟹在那个时候已经进化成陆生或两栖,比人们已知的要早得多。



2.克6联赛两队合影:詹姆斯C位 切特&小托最萌身高差



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