一。新闻简报。
1。美国第一夫人吉尔拜登在母亲节访问了乌克兰，这标志着现任总统的配偶罕见地独自前往活跃的战区。她并与乌克兰第一夫人奥莱娜·泽连斯卡进行了交谈。
2。麻省理工学院的研究人员为普通人开发了这种手提箱大小的设备，只需按一下按钮，就可以将盐水变成饮用水。因此它可以在偏远的岛屿和难民营中使用。
3。俄罗斯航天局局长声称他的国家可以在核战争时，在“半小时内”摧毁北约国家。
4。据伊尔平市市长亚历山大·马库辛说，加拿大总理贾斯汀·特鲁多周日对乌克兰进行了突然访问。
5。韩国鹰派的新总统将于周二宣誓就职，他似乎准备对平壤采取强硬态度，与他所称的前任“屈从”的做法完全不同。
6。被分享的视频片段显示，数百名 上海MacBook Pro 工人突破了旨在将他们留在中国工厂内的 COVID 障碍。 可以看到一些人与穿着白色防护服的警卫发生冲突。
7。报道称，尽管中国已表示将不因俄罗斯入侵乌克兰而对俄罗斯实施制裁，但中国的许多科技公司已开始放弃在俄罗斯开展业务。消息人士称，这些公司包括电脑制造商联想集团有限公司，以及智能手机和小米公司。
8。美元本周升至 20 年来的高位，在世界经济面临放缓前景之际，美元的强势正在收紧金融环境。Lombard Odier 首席经济学家萨米·查尔 (Samy Chaar) 表示，这一激增有可能“破坏更广泛的市场环境，并暴露系统中的经济和金融裂缝”。
9。台湾周日报告了创纪录的 44,361 例病例。 拥有2360 万人口的台湾有 357,271 人感染，但今年年初只有 17,050 人，到 2020 年底只有 121 人。
10。上周发布的月度调查显示，中国4 月份制造业和服务业的信心降至 2020 年 2 月疫情最初冲击以来的最低点。星巴克表示，在截至 4 月 3 日的季度中，其经营的225 个中国城市中，有 72% 的城市经历了 omicron 疫情。
11。Macro Trends Advisors LLC 的创始合伙人 Mitch Roschelle 周日警告称，尽管许多经济学家和分析师认为 4 月份的就业报告是积极的，但美国经济仍处于“不稳定的基础”上。
12。奥地利外交部长亚历山大·沙伦伯格表示，在讨论乌克兰可能加入欧盟时，不要忘记西巴尔干地区，这一点很重要。 他还分享了他对瑞典和芬兰申请加入美国领导的北约军事联盟前景的看法。
13。Moderna 公司正在试验一种 Omicron 疫苗加强剂，它将其原始的 COVID-19疫苗与一种针对高度传染性和现在占主导地位的 Omicron 变体的疫苗相结合。Moderna公司希望在 6 月之前获得这些试验的数据，计划在 2022 年秋季发布此加强剂。
14。Cox Automotive 周五表示，其追踪在美国批发拍卖中出售的二手车价格的曼海姆二手车价值指数在 4 月较 3 月下降了 1%。自 1 月份创纪录以来，汽车批发价格已下跌 6.4%。然而，价格仍然非常高，该指数仍比一年前上涨了 14%。
15。在 5 月 15 日至 16 日晚上，如果天气晴朗，美洲、欧洲和非洲大部分地区的天文观测者将看到大自然最美丽的奇观之一：月全食。
二．美国疫情
昨日美国新增新冠患者26,890人
总确诊人数为81,858,744人。
新增死亡人数185人。
总死亡 997,503人。
康州新增新冠感染_人，新增死亡_人。
纽约州新增新冠确诊人数8,108人。新增死亡人数11人。
新泽西州昨天新增病例为3,986人。新增死亡为5人。
马萨诸塞州新增新冠患者为_人, 死亡_人。
马里兰州昨日新增新冠患者_人。新增死亡人数为_人。
三．世界疫情
1） 亚洲疫情：
昨日印度新增新冠患者3,451人；
日本新增39,228人；
印尼新增218人；
菲律宾新增175人；
土耳其新增1,661人。
台湾昨日新增__.
韩国昨日新增_人,
中国新增4,745人。
2）非洲疫情：
南非昨日新增新冠患者8,524人。
3）拉美疫情：
巴西昨日新增新冠患者14,622人.
哥伦比亚新增_人。
智利新增3,322人。
墨西哥新增_人。
4）欧洲疫情
俄罗斯昨日新增新冠患者5,407人。
德国新增8,488人。
法国新增37,958人。
英国新增41人。
意大利新增40,783人。
5）全球新冠总感染人数为517,333,512人。
总死亡人数为6,251,264人。
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What New Glenn will do
In some ways, New Glenn has already made its mark on the launch industry. Blue Origin has for years pitched the rocket to compete with both SpaceX and United Launch Alliance — a joint venture of Boeing and Lockheed Martin that buys engines from Blue Origin — for lucrative military launch contracts.
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The US Space Force selected Blue Origin, ULA and SpaceX in June to compete for $5.6 billion worth of Pentagon contracts for national security missions slated to launch over the next four years.
Blue Origin also has deals with several commercial companies to launch satellites. The contracts include plans to help deploy Amazon’s Kuiper internet satellites and a recently inked deal with AST SpaceMobile to help launch the Midland, Texas-based company’s space-based cellular broadband network.
New Glenn could also be instrumental in building Blue Origin’s planned space station, called Orbital Reef. Blue Origin and it commercial partners, including Sierra Space and Boeing, among others, hope the station will one day provide a new destination for astronauts as the International Space Station is phased out of service.
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New Glenn vs. other powerful rockets
New Glenn packs significant power. Dubbed a “heavy-lift” vehicle, its capabilities lie between SpaceX’s Falcon 9 rocket and the more powerful Falcon Heavy launch vehicle.
SpaceX’s workhorse Falcon 9, for example, can haul up to 22.8 metric tons (50,265 pounds) to space. While New Glenn is capable of carrying about double that mass, it may also be roughly the same price as a Falcon 9: reportedly around $60 million to $70 million per launch.
“I think in order to compete with Falcon 9, you have to go head-to-head or better on price,” said Caleb Henry, the director of research at Quilty Space, which provides data and analysis about the space sector.
The question, however, is whether Blue Origin will be able to sustain a competitive price point, Henry added.
Still, one feature that makes New Glenn stand out is its large payload fairing, or nose cone. The component protects the cargo bay and is a whopping 23 feet (7 meters) wide — nearly 6 feet (2 meters) larger than that of SpaceX’s Falcon 9 or Falcon Heavy.
Henry said Blue Origin likely opted to outfit New Glenn with such a large fairing in order to help fulfill Bezos’ vision of the future.
What’s on board this flight
Blue Origin had planned to launch a pair of Mars-bound satellites on behalf of NASA for the first flight of New Glenn.
But delays with the rocket’s development prompted the space agency to change course, moving that flight to this spring at the earliest. So for this inaugural flight, Blue Origin opted to instead fly a “demonstrator” that will test technology needed for the company’s proposed Blue Ring spacecraft — which will aim to serve as a sort of in-space rideshare vehicle, dragging satellites deeper into space when needed.
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The demonstrator on this New Glenn flight will remain aboard the rocket for the entire six-hour flight, Blue Origin said, and it will validate “communications capabilities from orbit to ground” as well as “test its in-space telemetry, tracking and command hardware, and ground-based radiometric tracking.”
The Blue Ring Pathfinder demonstrator is part of a deal Blue Origin inked with the US Department of Defense’s Defense Innovation Unit.
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Why Blue Origin wants to reuse rockets
Similar to SpaceX, Blue Origin is aiming to recover and refly its first-stage rocket boosters in a bid to make launches less expensive.
“Reusability is integral to radically reducing cost-per-launch,” the company said in a recent news release, using the same oft-repeated sentiment that SpaceX has touted since it began landing rocket boosters in 2015.
Bezos, however, has acknowledged the importance of reusing rocket parts since he founded the company in 2000 — two years before Musk established SpaceX. And the company has already developed its suborbital New Shepard tourism rocket to be reusable.
“It’s not a copy cat game,” Henry said. “Blue Origin has been pursuing reusable vehicles since before reusable vehicles were cool. Now it’s much more of a mainstream idea (because of SpaceX). The difference is that it’s taken Blue Origin so much longer to get to orbit.”
If successful, returning the New Glenn rocket booster for a safe landing will be a stunning feat. After expending most of its fuel to propel the rocket’s upper stage to space, the first-stage booster will need to make a clean separation. The booster must then maneuver with pinpoint guidance and reignite its engines with precision timing to avoid crashing into the ocean or the Jacklyn recovery platform.
New Glenn’s first flight
Blue Origin formally announced the development of New Glenn — which aims to outpower SpaceX’s Falcon 9 rockets and haul spacecraft up to 45 metric tons (99,200 pounds) to orbit — in 2016.
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The vehicle is long overdue, as the company previously targeted 2020 for its first launch.
Delays, however, are common in the aerospace industry. And the debut flight of a new vehicle is almost always significantly behind schedule.
Rocket companies also typically take a conservative approach to the first liftoff, launching dummy payloads such as hunks of metal or, as was the case with SpaceX’s Falcon Heavy debut in 2018, an old cherry red sports car.
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Blue Origin has also branded itself as a company that aims to take a slow, diligent approach to rocket development that doesn’t “cut any corners,” according to Bezos, who founded Blue Origin and funds the company.
The company’s mascot is a tortoise, paying homage to “The Tortoise and the Hare” fable that made the “slow and steady wins the race” mantra a childhood staple.
“We believe slow is smooth and smooth is fast,” Bezos said in 2016. Those comments could be seen as an attempt to position Blue Origin as the anti-SpaceX, which is known to embrace speed and trial-and-error over slow, meticulous development processes.
But SpaceX has certainly won the race to orbit. The company’s first orbital rocket, the Falcon 1, made a successful launch in September 2008. The company has deployed hundreds of missions to orbit since then.
And while SpaceX routinely destroys rockets during test flights as it begins developing a new rocket, the company has a solid track record for operational missions. SpaceX’s Falcon 9 rocket, for example, has experienced two in-flight failures and one launchpad explosion but no catastrophic events during human missions.
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The survivors of recent crashes were sitting at the back of the plane. What does that tell us about airplane safety?
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Look at the photos of the two fatal air crashes of the last two weeks, and amid the horror and the anguish, one thought might come to mind for frequent flyers.
The old frequent-flyer adage is that sitting at the back of the plane is a safer place to be than at the front — and the wreckage of both Azerbaijan Airlines flight 8243 and Jeju Air flight 2216 seem to bear that out.
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The 29 survivors of the Azeri crash were all sitting at the back of the plane, which split into two, leaving the rear half largely intact. The sole survivors of the South Korean crash, meanwhile, were the two flight attendants in their jumpseats in the very tail of the plane.
So is that old adage — and the dark humor jokes about first and business class seats being good until there’s a problem with the plane — right after all?
In 2015, TIME Magazine reporters wrote that they had combed through the records of all US plane crashes with both fatalities and survivors from 1985 to 2000, and found in a meta-analysis that seats in the back third of the aircraft had a 32% fatality rate overall, compared with 38% in the front third and 39% in the middle third.
Even better, they found, were middle seats in that back third of the cabin, with a 28% fatality rate. The “worst” seats were aisles in the middle third of the aircraft, with a 44% fatality rate.
But does that still hold true in 2024?
According to aviation safety experts, it’s an old wives’ tale.
“There isn’t any data that shows a correlation of seating to survivability,” says Hassan Shahidi, president of the Flight Safety Foundation. “Every accident is different.”
“If we’re talking about a fatal crash, then there is almost no difference where one sits,” says Cheng-Lung Wu, associate professor at the School of Aviation of the University of New South Wales, Sydney.
Ed Galea, professor of fire safety engineering at London’s University of Greenwich, who has conducted landmark studies on plane crash evacuations, warns, “There is no magic safest seat.”
Scientists have identified an estimated 10% of all species on Earth. Here’s what they found in 2024
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A toothy toadstool. A vegetarian piranha with a distinctive mark. And a pygmy pipehorse floating in the Indian Ocean shallows.
These wild wonders were among the hundreds of previously unknown species of animals, plants and fungi that scientists named and described for the first time in 2024, expanding our surprisingly limited knowledge of Earth’s diversity.
“Scientists estimate that we’ve identified only one-tenth of all species on Earth,” said Dr.
Shannon Bennett, chief of science at the California Academy of Sciences, in a statement.
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“While it is critical to place protections on known threatened species, we must also allocate resources towards identifying unknown species that may be just as important to the functioning of an ecosystem,” Bennett said.
Researchers connected to the institution described 138 new species in 2024, including 32 fish. One standout was a pygmy pipehorse named Cylix nkosi. The seahorse relative was originally found in 2021 in the cool temperate waters surrounding the North Island of New Zealand, but the species described this year was discovered in the subtropical waters off South Africa, expanding the known range of this group to the Indian Ocean
“South African reefs present notoriously difficult diving conditions with rough weather and intense, choppy waves — we knew we only had one dive to find it,” underwater photographer and marine biologist Richard Smith said in a statement.
“This species is also quite cryptic, about the size of a golf tee, but luckily we spotted a female camouflaged against some sponges about a mile offshore on the sandy ocean floor.”
The researchers involved in describing the new species chose nkosi as its name. A reference to the local Zulu word for “chief,” the name reflects the species’ crown-like head shape and acknowledges South Africa’s KwaZulu-Natal province where it was found.
Chile’s President Boric leads journey to South Pole in historic trip
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Chile’s President Gabriel Boric travelled to Antarctica’s South Pole on Friday, a place where no other Latin American president has set foot, according to the Chilean government.
Boric led the historic two-day trip, named Operation Pole Star III, to extend the environmental monitoring of pollutants on Antarctica, Chile’s government said in a statement.
He travelled with scientists, armed forces commanders and government ministers from the Chilean capital of Santiago to Punta Arenas, a city in southern Chile, public broadcaster Television Nacional de Chile (TVN) reported. From there, they made several stops before finally reaching the US-run Amundsen-Scott South Pole Station, according to TVN.
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Chile is one of seven countries that has a territorial claim in Antarctica, alongside Argentina, Australia, France, New Zealand, Norway and the United Kingdom.
It is also a signatory of the Antarctic Treaty, which dictates that the continent may only be used for peaceful and scientific purposes.
While Chile has historically carried out scientific activity in Antarctica’s northern sector, the country’s government is now hoping to expand research into the west of the continent, its statement said.
Boric called his trip to the South Pole an “honor” and a source of pride, TVN reported.
“This is a milestone for us. It is the first time a Chilean and Latin American President has visited the South Pole,” he said, according to TVN.
On a long-dormant pad in Florida, a rocket that could challenge SpaceX’s dominance is poised to launch
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On a Florida launchpad that has been dormant for almost two decades, a new, roughly 320-foot (98-meter) rocket — developed by Jeff Bezos’ company Blue Origin — is poised for its maiden flight.
The uncrewed launch vehicle, called New Glenn, will mark Blue Origin’s first attempt to send a rocket to orbit, a feat necessary if the company hopes to chip away at SpaceX’s long-held dominance in the industry.
New Glenn is set to lift off from Cape Canaveral Space Force Station as early as next week.
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The rocket, which stands about as tall as a 30-story building, consists of several parts: The first-stage rocket booster gives the initial thrust at liftoff. Atop the booster is an upper rocket stage that includes a cargo bay protected by a nose cone that will house experimental technology for this mission.
And, in an attempt to replicate the success that SpaceX has found reusing rocket boosters over the past decade, Blue Origin will also aim to guide New Glenn’s first-stage rocket booster back to a safe landing on a seafaring platform — named Jacklyn for Bezos’ mother — minutes after takeoff.
Like SpaceX, Blue Origin will seek to recover, refurbish and reuse first-stage rocket boosters to drive down costs.
For this inaugural mission, a smooth flight is not guaranteed.
But the eventual success of New Glenn, named after storied NASA astronaut John Glenn, is instrumental to some of Blue Origin’s most ambitious goals.
The rocket could one day power national security launches, haul Amazon internet satellites to space and even help in the construction of a space station that Blue Origin is developing with commercial partners.
What New Glenn will do
In some ways, New Glenn has already made its mark on the launch industry. Blue Origin has for years pitched the rocket to compete with both SpaceX and United Launch Alliance — a joint venture of Boeing and Lockheed Martin that buys engines from Blue Origin — for lucrative military launch contracts.
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The US Space Force selected Blue Origin, ULA and SpaceX in June to compete for $5.6 billion worth of Pentagon contracts for national security missions slated to launch over the next four years.
Blue Origin also has deals with several commercial companies to launch satellites. The contracts include plans to help deploy Amazon’s Kuiper internet satellites and a recently inked deal with AST SpaceMobile to help launch the Midland, Texas-based company’s space-based cellular broadband network.
New Glenn could also be instrumental in building Blue Origin’s planned space station, called Orbital Reef. Blue Origin and it commercial partners, including Sierra Space and Boeing, among others, hope the station will one day provide a new destination for astronauts as the International Space Station is phased out of service.
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New Glenn vs. other powerful rockets
New Glenn packs significant power. Dubbed a “heavy-lift” vehicle, its capabilities lie between SpaceX’s Falcon 9 rocket and the more powerful Falcon Heavy launch vehicle.
SpaceX’s workhorse Falcon 9, for example, can haul up to 22.8 metric tons (50,265 pounds) to space. While New Glenn is capable of carrying about double that mass, it may also be roughly the same price as a Falcon 9: reportedly around $60 million to $70 million per launch.
“I think in order to compete with Falcon 9, you have to go head-to-head or better on price,” said Caleb Henry, the director of research at Quilty Space, which provides data and analysis about the space sector.
The question, however, is whether Blue Origin will be able to sustain a competitive price point, Henry added.
Still, one feature that makes New Glenn stand out is its large payload fairing, or nose cone. The component protects the cargo bay and is a whopping 23 feet (7 meters) wide — nearly 6 feet (2 meters) larger than that of SpaceX’s Falcon 9 or Falcon Heavy.
Henry said Blue Origin likely opted to outfit New Glenn with such a large fairing in order to help fulfill Bezos’ vision of the future.