NASA makes history with its flying robot on Mars, a new commander takes the helm of the International Space Station, and the European Space Agency looks for solutions to the problem of space junk.  VOA’s Arash Arabasadi brings us The Week in Space.
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As the world observes Earth Day later this week, Israeli environmentalists worry that the Dead Sea, the lowest place on Earth, is disappearing. That is posing environmental dangers and also could affect the Dead Sea’s unique salutary effects.  For VOA, Linda Gradstein reports from the Dead Sea.   Camera:   Ricki Rosen     Produced by:  Bronwyn Benito      
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The Syrian government and the country’s last rebel-controlled enclave received their first doses of COVID-19 vaccines Thursday.In a joint statement, UNICEF, the World Health Organization and the GAVI vaccine alliance announced the delivery of 200,000 doses of the AstraZeneca vaccine to Syria’s government and another 53,800 to the opposition-held area in the northwest.“The delivery is a ray of light for the people of Syria,” the statement said. “It will help health workers to continue delivering life-saving services in an already exhausted health system as a result of the decade-long war.”Although fighting has largely subsided since the March 2020 cease-fire, Syria’s civil war has complicated the delivery of the vaccines, forcing most of them to be shipped through Damascus for government-controlled areas while the rest are routed through the border with Turkey.Western non-governmental organizations have said that Syria’s logistical challenges of coordinating vaccinations in combat zones are worsened by the international financial sanctions that have been imposed on the country.The Middle Eastern country experienced a surge in coronavirus infections in February after being hard hit by the coronavirus pandemic last year.The Syrian government reported 51,580 cases of COVID-19 Thursday, but U.N. officials say the number is probably higher due to the limited number of testing kits. 
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The U.S space agency NASA says its Perseverance rover has converted carbon dioxide (CO2) in the Martian atmosphere to oxygen, a critical step toward future human exploration of Mars.
 
NASA on Monday said a toaster-size, experimental instrument on the rover called the Mars Oxygen In-Situ Resource Utilization Experiment (MOXIE), produced about 5.4 grams of oxygen in an hour — enough to keep an astronaut healthy for about 10 minutes.
 
NASA says in regular operation, MOXIE is designed to produce up to 10 grams of oxygen in an hour.
 
The space agency says MOXIE is an “exploration technology investigation,” like the Ingenuity helicopter and other instruments taken to Mars along with the Perseverance rover. In other words, it is designed to test a certain technology that, if successful, will be applied on a larger scale in future missions on the Red Planet.
 
NASA’s Space Technology Mission Directorate (STMD) administrator Jim Reuter says there are still more tests for MOXIE to pass, but the results of the initial demonstration show a lot of promise toward the goal of one day seeing humans on Mars,
 
Reuter said oxygen is also a key ingredient in rocket propellant and future Mars missions will have to produce it there to make the trip home.
 
NASA says MOXIE works by separating oxygen atoms from carbon dioxide molecules, which are made up of one carbon atom and two oxygen atoms through a process that involves heating them to 800 degrees Celsius. The Martian atmosphere is 96% carbon dioxide.
 
The agency says a hypothetical future mission would require creating about one ton of oxygen for four astronauts to live and work on Mars for a year. About 25 tons would be needed to create the propellant needed to get them home.
 
The agency says a larger, more powerful descendant of MOXIE, weighing about a ton, would be required to meet those needs.
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India reported 314,835 new COVID-19 infections Thursday, the highest one-day total posted by any nation during the yearlong global pandemic.By contrast, the United States posted 300,310 single day new cases on Jan. 2, according to Johns Hopkins Coronavirus Resource Center.India, the world’s second-most populous country, is dealing with a second wave of infections that has pushed the country’s health care system to the brink of collapse, with hospitals near capacity and facing an acute shortage of oxygen canisters. The oxygen shortage is so acute that the high court in the capital, New Delhi, ordered the national government to divert oxygen from industrial use to hospitals.“Beg, borrow or steal,” the judges said in response to a petition by a New Delhi hospital.Thursday is the eighth consecutive day India has posted more than 200,000 new coronavirus cases, pushing the country’s total number of infections to well over 15.9 million, second only behind the 31.8 million in the United States. India’s health ministry also revealed that 2,104 people died Thursday, raising the overall death toll to 184,657, as the current surge has overwhelmed cemeteries and crematories.Experts have blamed the surge on the spread of more contagious variants of the virus, as well as lifting restrictions on large crowds when the outbreak appeared to be under control earlier this year. Prime Minister Narendra Modi has come under fire for holding packed political rallies and allowing an annual Hindu religious festival that attracted millions of pilgrims.The latest figures from Johns Hopkins puts the total number of COVID-19 infections at 143,863,870, including more than 3 million deaths. In addition to the total number of confirmed cases, the U.S. leads in the number of total fatalities with 569,402.A preliminary study published Wednesday in the New England Journal of Medicine shows the two-shot vaccines developed by Pfizer and Moderna do not pose any serious risk during pregnancy.The study used data collected by the Centers for Disease Control and Prevention’s smartphone-based vaccine surveillance system, where participants complete regular surveys about their health and any side effects they may be experiencing after being inoculated. More than 35,000 pregnant women who received either vaccine between December 14, 2020 and February 28, 2021 reported the same general side effects experienced by non-pregnant women, including pain at the injection site, fatigue, headaches and muscle pain.
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As teenage pregnancies soared during coronavirus lockdowns in Africa’s largest urban slum, Kibera, teachers and parents looked for a way to reduce the problem.  Their idea was to form a women’s football (soccer) club, to direct their energy in a healthy way, and they became so good they are about to join Kenya’s professional women’s soccer league.  Brenda Mulinya reports from Nairobi.
Camera: Robert Lutta
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Greta Thunberg turned 18 in January, but she’s already made peace with her future: While most college students will change their concentrations multiple times, the Swedish high school student says climate change activism will be her life’s mission.”In a perfect world, there wouldn’t need to be a climate activist, but unfortunately, there will probably still be a need for climate activists for quite some time,” she said. “I think I will be doing this for as long as there is a need for people to do this.”Thunberg’s activism and message is brought to life in a new docuseries, Greta Thunberg: A Year to Change the World. The three-part series, a co-production between PBS and BBC Studios premiering Thursday on Earth Day, follows the then-16-year-old as she took a gap year from school in 2019 to meet with scientists around the world and spearhead awareness about climate change.The docuseries shows her visiting people and places that have been distinctly affected by the heating of the Earth, such as Canada’s Athabasca Glacier, a town in California burned by wildfires and the indigenous Sami herders in Sweden where reindeer face starvation. She even sails across the North Atlantic during the ocean’s busiest season to experience how carbon dioxide emissions from ships have altered the chemistry of the ocean.A Year to Change the World also gives a behind-the-scenes look at her speaking at massive rallies, and also reveals how her momentum was significantly slowed by the worldwide coronavirus pandemic. Thunberg, a 2020 Nobel Peace Prize nominee, said while she grew even more knowledgeable about climate change, there were moments that surprised her, like meeting with Polish coal miners.”I had expected them to not be willing to change, but they were willing to change. They wanted to live in a more sustainable world… as long as they were not left behind,” said Thunberg. “I’ve met with world leaders who are less eager to change.”FILE – Swedish teenage environmental activist Greta Thunberg appears on a postal stamp in her native Sweden that is part of a series focusing on the environment, in Stockholm, Jan. 13, 2021.And it’s many of those heads of government that have positioned Thunberg as a political lighting rod and inadvertently raised her global profile. Brazil’s conservative president Jair Bolsonaro has called her a “brat,” Russian President Vladimir Putin has said she doesn’t understand that the “modern world is complex,” and former president Donald Trump mentioned her at rallies, which resulted in cascades of boos. He even famously tweeted, “Greta must work on her Anger Management problem, then go to a good old fashioned movie with a friend! Chill, Greta, Chill!”Thunberg, the youngest person ever to receive Time’s Person of the Year honor in 2019, said she doesn’t fully understand why she’s on the radar of government officials, but it shows that the message of climate change is reaching far and wide.”When people like that do these kinds of things and say these kinds of things, of course, it’s very hilarious,” said Thunberg. “It’s a sign that we are doing something good, that we are having an impact, so that we take it as a compliment.”ButFILE – A mural on the side of a building depicting Swedish climate activist Greta Thunberg is shown in San Francisco, March 4, 2021.says she believes what’s most intriguing about the new project is what the filmmakers weren’t able to include. “I think maybe the most interesting thing about the documentary series is what didn’t get into the series. I don’t know how many fashion companies like H&M, car companies like Volkswagen, oil companies like Shell and airlines and so on that we asked for interviews, but they all refused consistently. And that, I think is very interesting — it says a lot about them.”While U.S. PBS stations and BBC Earth in Canada air the docuseries Thursday, Thunberg will be at her school in Sweden, which re-opened in-person classes to one day a week. She’ll also use Earth Day to testify virtually to the U.S. Congress, along with scientists, about fossil fuel subsidies.Thunberg says she understands that changing the world — or even getting her fellow global citizens to care about how’s it’s changing — will not happen overnight, but she wants everyone to be aware about how their daily actions can affect future generations.”I’m not telling anyone to care,” said Thunberg. “But if you want yourself and your children and grandchildren to be able to live in a prosperous world and in a world where they can enjoy all the things in life that you have gotten to enjoy, then you should care.But of course, that’s up to you. I’m not telling you to do something — saving the world is voluntary.”
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New feat to the credit of Perseverance: the NASA rover transformed carbon dioxide from Mars’ atmosphere into oxygen, a first on another planet, the US space agency announced on Wednesday.”This is a crucial first attempt to convert carbon dioxide into oxygen on Mars,” said Jim Reuter, an associate administrator at NASA.The demonstration took place on April 20 and NASA is hoping that future versions of the experimental tool used can pave the way for exploration by humans.Not only could the process produce oxygen for future astronauts to breathe, it could also prevent the large amounts of oxygen needed to propel the rocket on the return trip from Earth.The Mars Oxygen In-Situ Resource Utilization Experiment (Moxie) is a golden box the size of a car battery, located at the front right of the rover.It uses electricity and chemistry to split CO2 molecules, producing oxygen on one side and carbon monoxide on the other.For his first experiment, Moxie produced 5 grams of oxygen, enough to breathe for 10 minutes for an astronaut with normal activity.The engineers in charge of Moxie will now conduct more tests and try to increase this result. The tool has been developed to be able to generate up to 10 grams of oxygen per hour.Designed at the prestigious Massachusetts Institute of Technology (MIT), Moxie was manufactured with heat-resistant materials to tolerate the scorching temperatures of 800 degrees Celsius required for its operation.A thin layer of gold prevents it from radiating this heat and damaging the rover.According to MIT engineer Michael Hecht, a one-ton Moxie – this weighs 17 kilograms – could produce the roughly 25 tons of oxygen needed for a rocket to take off from Mars. may be easier than extracting ice from beneath its surface to make oxygen by electrolysis.
Perseverance landed on the Red Planet on February 18. Its mission: to look for traces of ancient life.
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Touting the 200 million COVID-19 shots administered since he took office, President Joe Biden said he is looking into sending excess doses abroad. His administration is under pressure to do more to improve global vaccine equity, including supporting a campaign to waive vaccine patents. White House Correspondent Patsy Widakuswara has the story.
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The Japanese government may declare a new state of emergency for the cities of Tokyo and Osaka in response to another surge of COVID-19 infections. The Mainichi newspaper reported Wednesday that Tokyo Governor Yuriko Koike is requesting to impose an emergency decree from April 29 to May 9, which coincides with Japan’s annual “Golden Week” public holiday period.   Tokyo and Osaka, along with several other prefectures, are already under a quasi-state of emergency, with restaurants and bars operating under shortened business hours.  Japan as a whole has been under two separate emergency decrees since the start of the pandemic, the last one having just expired on March 21.  The previous decrees stopped short of imposing a legally binding nationwide lockdown, due to Japan’s post-World War II constitution, which weighs heavily in favor of civil liberties.  The new state of emergency, if granted, would leave in place current restrictions on opening hours, and also lead to the closure of theme parks, shopping malls and other facilities. Osaka’s neighboring prefecture of Hyogo is also expected to be covered under the new emergency decree.   Japan has 542,467 confirmed COVID-19 cases, including 9,682 deaths, according to Johns Hopkins Coronavirus Resource Center.  The numbers are moderate compared to other nations, but enough to overburden Japan’s healthcare sector and complicate plans for the Tokyo Olympic Games, which are scheduled to begin in July after a one-year delay due to the pandemic.  The Japanese capital posted a record-high 843 confirmed new coronavirus cases on Wednesday.   Also complicating matters is the country’s sluggish vaccination drive, which got off to a slow start due to an acute shortage of vaccines.  More infections in IndiaThe situation remains dire in India, which reported a single-day record 295,041 new COVID-19 infections on Wednesday, the seventh consecutive day the world’s second-most populous country has recorded more than 200,000 new cases. Health workers and relatives wearing personal protective equipment (PPE) carry the body of a man, who died from COVID-19, at a crematorium in New Delhi, India, Apr. 21, 2021.The latest surge has led to a severe shortage of oxygen canisters, hospital beds and drugs across the nation, and prompted officials in the capital, New Delhi, to impose a week-long lockdown on Monday.  Several large cities have reported COVID-19-linked burials and cremations that far exceed the official tally.  Johnson & Johnson resumes European rollout
On the vaccine front, Johnson & Johnson announced Tuesday it is resuming its European rollout of its one-dose vaccine after the European Medicines Agency, the drug regulator for the European Union, determined the drug’s benefits outweighs the risks of possible blood clots. FILE – The exterior of the European Medicines Agency is seen in Amsterdam, Netherlands, Dec. 18, 2020.The EMA reviewed the Johnson & Johnson vaccine following a small number of reports from the United States of six women between the ages of 18 and 48 developed a rare but serious blood-clotting disorder associated with low levels of blood platelets following vaccination. One woman died and one was hospitalized in critical condition. The agency concluded the drug’s product information should include a warning about the possible side effects, which should be listed as very rare.   In the U.S., the Centers for Disease Control and the Food and Drug Administration jointly called for a pause in the administration of the Johnson & Johnson vaccine last week in response to the six blood clotting cases.     The six women were among the 7 million Americans who have received the vaccine since its approval.     Dr. Anthony Fauci, the head of the National Institute of Allergy and Infectious Diseases, has said he expects an independent CDC advisory panel to lift the suspension when it meets again later this week. 
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The Federal Aviation Administration (FAA) said that final rules announced in December took effect on Wednesday allowing for small drones to fly over people and at night, a significant step toward their eventual use for widespread commercial deliveries.The effective date was delayed about a month during the change in administration. The FAA said its long-awaited rules for the drones, also known as unmanned aerial vehicles, will address security concerns by requiring remote identification technology in most cases to enable their identification from the ground.Previously, small drone operations over people were limited to operations over people who were directly participating in the operation, located under a covered structure, or inside a stationary vehicle – unless operators had obtained a waiver from the FAA.U.S. Transportation Secretary Pete Buttigieg said Wednesday the rules “are an important first step in safely and securely managing the growing use of drones in our airspace, though more work remains on the journey to full integration” of drones.Drone manufacturers have 18 months to begin producing drones with Remote ID, and operators will have an additional year to provide Remote ID.Companies have been racing to create drone fleets to speed deliveries. As of December, the United States had over 1.7 million drone registrations and 203,000 FAA-certificated remote pilots.For at-night operations, the FAA said drones must be equipped with anti-collision lights. The final rules allow operations over moving vehicles in some circumstances.The new rules eliminate requirements that drones be connected to the internet to transmit location data but do require that they broadcast remote ID messages via radio frequency broadcast.One change, since the rules were first proposed in 2019, requires that small drones not have any exposed rotating parts that would lacerate human skin.
 
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