Minggu, 24 April 2022

Indonesia's Anak Krakatoa volcano erupts, spews huge ash tower - CNA

JAKARTA: The offspring of Indonesia's infamous Krakatoa volcano erupted on Sunday (Apr 24), spewing a towering volcanic ash cloud about 3,000m into the sky.

Mount Anak Krakatoa, which means Child of Krakatoa, belched thick ash over the strait that separates the islands of Java and Sumatra, forcing authorities to warn nearby residents to wear masks outside.

"We are still recording continuous eruptions with thick clouds towering at between 500 to 3,000 metres from the peak," Deny Mardiono of Indonesia's Geological Agency told AFP.

Anak Krakatoa has erupted at least 21 times in recent weeks but Sunday's eruption was the largest yet, Mardiono said.

Authorities ordered people to stay out of a 2km exclusion zone around the volcano, which is currently graded at level two of Indonesia's four-tiered volcanic alert system.

"People, including tourists, should adhere to the recommendation from the Geological Agency, which prohibits anyone to be within a 2km radius from the crater," he added.

The volcano has been sporadically active since it emerged from the sea at the beginning of last century in the caldera formed after the 1883 eruption of Mount Krakatoa.

That disaster was one of the deadliest and most destructive in history with an estimated 35,000 people killed.

Anak Krakatoa last erupted in 2018, generating a tsunami that killed 429 people and left thousands homeless.

Indonesia, a Southeast Asian archipelago nation, sits on the Pacific Ring of Fire where the meeting of continental plates causes high volcanic and seismic activity.

The country has nearly 130 active volcanoes.

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2022-04-24 13:00:56Z
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Sabtu, 23 April 2022

EU regulator backs using Pfizer COVID-19 shot as booster after other vaccines - CNA

A European Medicines Agency (EMA) committee on Friday (Apr 22) recommended approving the use of Pfizer and BioNTech's COVID-19 vaccine, Comirnaty, as a booster for adults who have previously been inoculated with other vaccines.

The recommendation from Europe's drug regulator comes days after global COVID-19 cases surpassed 500 million, according to a Reuters tally, as the highly contagious BA.2 sub-variant of Omicron surges in many countries.

Some European countries are now seeing a slower uptick in new cases, or even a decline, but the region is still reporting over 1 million cases about every two days, according to the Reuters tally published on Thursday.

In the United States and the United Kingdom, Comirnaty has already been authorised as a booster following two shots of any other type of vaccine.

Some countries have also begun rolling out second boosters in certain groups, such as the immunocompromised and the elderly. In March, the EMA said that there was not yet enough data to support a recommendation on the need for a second booster shot in the general population.

Last week, Pfizer and BioNTech showed that three doses of their shot produced significant protection against the Omicron variant of the coronavirus in healthy children aged five to 11.

Analysts have forecast sales of US$33.79 billion for the vaccine in 2022, according to Refinitiv data. The two companies have already delivered more than 3.1 billion vaccine doses globally.

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2022-04-23 01:12:25Z
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Jumat, 22 April 2022

Influencer banned from Weibo after questioning Covid drug's efficacy - Insider

  • Wang Sicong has been banned from China's "Twitter" after questioning the use of traditional Chinese medicine to treat Covid.
  • The 34-year-old, who has 40.5 million Weibo followers, is the son of China's one-time richest man Wang Jianlin.
  • Despite a lack of reliable clinical data, Chinese authorities have recommended traditional medicines to treat Covid, per Reuters

The influencer son of a Chinese billionaire has been banned from posting on China's Twitter-like Weibo platform after he questioned the efficacy of a traditional Chinese medicine (TCM) endorsed by Beijing to treat mild Covid cases.

"The user is currently banned for violating relevant laws and regulations," reads a message on Wang Sicong's Weibo account, where he has more than 40.5 million followers.

Known for flaunting his lavish lifestyle online, the 34-year-old is the son of real estate mogul Wang Jianlin, who was once China's richest man.  

While Weibo did not provide details behind the ban, reports said it is related to the influencer's now-deleted posts on the Lianhua Qingwen capsules, a popular herbal medicine used to treat Covid. 

Weibo did not immediately respond to Insider's request for comment.

According to Bloomberg, Wang had reposted a video last week asking if the drug had ever been recommended by the World Health Organization as a Covid treatment. In a separate post, he also urged the Chinese securities watchdog to investigate Shijiazhuang Yiling Pharmaceutical, which makes the drug, per state media outlet Global Times

Shares of China-listed Shijiazhuang Yiling plunged by 10% on Tuesday, and shed another 10% the next day, per American news outlet Quartz

Despite a lack of reliable clinical data, Chinese health authorities have recommended TCM medicines, including the Lianhua Qingwen capsules, for use by Covid patients, per Reuters

In Shanghai, the epicenter of China's current Covid outbreak, millions of boxes of TCM products were distributed to residents across the city earlier this month. Lianhua Qingwen was also given to all Hong Kong households during the city's raging fifth wave of COVID-19 infections in March.

Made with 13 ingredients, including rhubarb, honeysuckle and apricot kernel, Lianhua Qingwen was developed in 2003 to treat severe acute respiratory syndrome (Sars), per South China Morning Post.

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2022-04-22 06:19:09Z
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Selasa, 19 April 2022

Japan researchers develop electric chopsticks to enhance salty taste - CNA

Miyashita and his lab have explored various ways that technology can interact with and stimulate human sensory experiences. He's also developed a lickable TV screen that can imitate various food flavours.

The taste-enhancing chopsticks may have particular relevance in Japan, where the traditional diet favours salty tastes. The average Japanese adult consumes about 10 grams of salt per day, double the amount recommended by the World Health Organisation.

Excess sodium intake is related to an increased incidence of high blood pressure, strokes and other ailments.

"To prevent these diseases, we need to reduce the amount of salt we take," said Kirin researcher Ai Sato.

"If we try to avoid taking less salt in a conventional way, we would need to endure the pain of cutting our favourite food from our diet, or endure eating bland food."

Miyashita and Kirin are refining their chopsticks prototype and hope to commercialise them as early as next year.

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2022-04-19 01:46:00Z
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Senin, 18 April 2022

Singapore's air passenger traffic at 31% of pre-pandemic numbers - CNA

SINGAPORE: Air passenger traffic in Singapore is now at 31 per cent of pre-pandemic levels, with the country seeing 400,000 passengers for the week ending Apr 17, the Civil Aviation Authority of Singapore (CAAS) said on Monday (Apr 18). 

This is up from 18 per cent a month ago, CAAS added, noting the increase follows the reopening of Singapore’s borders to all fully vaccinated travellers at the beginning of this month. 

It also said that Singapore is on track to restoring 50% of pre-COVID passenger volume by this year.

In a press release on Monday, CAAS described the increase in air passenger traffic as "broad based".

"Traffic volume increased for all major markets, with particularly strong growth for traffic to and from Australia, Malaysia, Indonesia and Thailand," the agency said. 

"Direct traffic increased for both international and local travellers, with Singapore citizens and permanent residents making up 32 per cent of total direct traffic," it added. 

The number of passenger flights also increased to 38 per cent of pre-pandemic levels in the week ending Apr 17, up from 29 per cent a month ago.

CAAS noted the frequency of flights to and from Australia, India, Indonesia, Malaysia and Vietnam had "increased significantly".

It added that three airlines - Air New Zealand, Myanmar Airways International and Indonesia's Batik Air - had restarted scheduled passenger flights to the country, while air links were also re-established with five cities - Cairns, Da Nang, Kota Kinabalu, Madurai and Riyadh.

Travel restrictions introduced to curb the spread of COVID-19 had earlier seen passenger movement at Changi Airport plummet. For instance, in April 2020 after Singapore closed its borders to travellers, it stood at 0.4 per cent of what it was at the start of that year.

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2022-04-18 10:21:32Z
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Sabtu, 16 April 2022

Shenzhou-13 crew return safely to Earth after record six months in orbit - Global Times


The Shenzhou-13 crew have safely returned to Earth after their epic six-month orbital trip, which nearly doubled the previous record of China's longest single-flight space mission of 92 days set by the Shenzhou-12, some eight hours after the manned spacecraft's detachment from the Tianhe core module.

The Shenzhou-13 return capsule conduced successful touchdown at 9:56 am Saturday in the Dongfeng landing site in Gobi Desert, North China's Inner Mongolia Autonomous Region. Medical team confirmed that the crew of three taikonauts are in good health, marking the full success of the Shenzhou-13 manned spaceflight mission, Global Times learned from the China Manned Space Agency (CMSA) on Saturday.

The ground controlling team ordered the return by 9:06 am, and the return capsule separated with the Shenzhou-13 with success. After that, at 9:30 am, the return capsule detached from the propelling part, according to the CMSA.

Ground rescue and recovery team arrived at the landing point immediately and medics opened the hatch and confirmed the crew are in good health condition.

All three taikonauts exit return capsule by 11:05 am and they are adapting to the gravity, CMSA updated.

The Shenzhou-13 crew exited the return capsule one hour and 10 minutes after their touchdown, faster than that for Shenzhou-12 crew which took one hour and 40 minutes.

Shenzhou-13 mission commander Zhai Zhigang got out of return capsule first, reporting "feeling good". Following him, "Star-picking mom is home," said Shenzhou-13 crew member Wang Yaping, the first spacewalking Chinese woman, waving to her daughter with a big smile after exiting return capsule. And Ye Guangfu, the youngest member of the three soon joined them with good spirits.

Astronaut Wang Yaping is out of the return capsule of the Shenzhou-13 spaceship at the Dongfeng landing site in north China's Inner Mongolia Autonomous Region on April 16, 2022.Photo:Xinhua

Astronaut Wang Yaping is out of the return capsule of the Shenzhou-13 spaceship at the Dongfeng landing site in north China's Inner Mongolia Autonomous Region on April 16, 2022.Photo:Xinhua


Sichuan sausages, yogurt, eggs …the crew will have a great variety of food options for their first meal back on Earth with some 20 dishes, CCTV reported.

The crew arrived in Beijing in the afternoon, followed by a brief welcome ceremony at the airport. The three taikonauts will undergo three to four weeks of routine quarantine, rest and rehabilitation. They are expected to resume regular training after about six months, according to CCTV report.

Apart from the long-term stay in space, the mission has set many records and firsts in the country's manned space history. 

The Shenzhou spacecraft developer, China Academy of Spacecraft Technology (CAST), disclosed in a statement sent to the Global Times that the Shenzhou-13 mission also explored emergency mission mechanisms for the first time, with the Shenzhou-14 manned spacecraft and Long March-2F Y14 rocket in standby position right after the launch of the Shenzhou-13 and Long March-2F Y13. This enabled a potential space rescue of the Shenzhou-13 taikonauts in case of any malfunction preventing the spacecraft from returning to Earth.

Compared to the return trip of the Shenzhou-12 mission which took approximately 28 hours, the Shenzhou-13 carried out a rapid return maneuver which took just eight hours. 

The CAST explained that the Shenzhou-13 orbit plan was streamlined to five orbits compared to the 18 of the Shenzhou-12 mission, and it was designed to further enhance return efficiency, shorten the ground monitoring and make it more comfortable for the returning astronauts.  

Photo: web

Photo: Recovery and rescue team arrives at the landing point of Shenzhou-13 return capsule right after its touchdown.


The 18 laps for Shenzhou-12 included some fly-around experiment tasks, and the traditional plan was 11 and a half laps, deputy chief designer Shao Limin told the Global Times.

The Shenzhou-13 crew's unprecedented six-month stay in orbit was taken into consideration and the plan was to make their journey home more comfortable, Shao noted.

Wang Ya'nan, chief editor of Beijing-based Aerospace Knowledge magazine, told the Global Times that this approach required more precise control of the spacecraft and more accurate orbital calculations, so that the spacecraft, once separated, could quickly target the landing area, calculate the return path, and adjust its altitude. 

"Having the ability to adopt such a fast return method indicates that China's return technology for manned missions is very mature and reliable," Wang added.

To ensure their safe and smooth return, the taikonauts have been taking physical exercises to train their muscles. Meanwhile, the ground support team has evaluated their physical and psychological condition, and made targeted adjustments. 

"The reason why the three crew members' physical and psychological condition is better than expected is that we have arranged their lives and work in space carefully, in an orderly and rational fashion. If the arrangements were not carefully designed, their mental status could have easily gone wrong," Wang explained.

The taikonauts on the Shenzhou-13 executed two successful spacewalks with Wang Yaping, who became the first Chinese woman in history to perform this maneuver. Wang is also the record-holder for the longest stay in orbit by any Chinese astronaut.

The crew delivered two Tiangong Classroom science lectures for students on Earth, connecting with young people in Beijing, Hong Kong, Macao and the Xinjiang and Xizang autonomous regions.

They have also played a significant part in many historic moments in China in the past six months, sending their blessings and congratulations during the Chinese New Year and joining the audience of the Beijing 2022 Winter Olympic Games from space.

With the advance of space communication technologies, the crew members were able to entertain themselves on the internet, talking to their families and friends frequently, and having space-Earth interactions on a regular basis. The two space lectures also helped a lot in boosting their mental status.

Launch history of manned missions to space by Long March-2F carrier rockets

Launch history of manned missions to space by Long March-2F carrier rockets


Pang Zhihao, a senior space expert, told the Global Times on Saturday that normally it would take around three months for astronauts returning from space to recover their strength. However, it could take a bit longer for the Shenzhou-13 crew, as they stayed in space for such a long period, Pang said. 

After the successful Shenzhou-13 mission, China Space Station will enter an in-orbit construction phase with two lab modules to be added to the core module, per program insiders.

Bai Linhou, deputy chief designer of China's space station, said in an interview that two experimental modules are expected to be launched in the second half of this year. The verification and assembly work of the modules is progressing smoothly.

Both lab modules have a length of over 17 meters and a diameter of over 4 meters.

The Wentian module is positioned to carry out space science experiments inside and outside the cabin. It has an airlock through which taikonauts can exit, and a small robotic arm which can be used alone or combined with the large mechanical arm of the space station.

It can also serve as a backup to the core cabin, Bai said. If malfunction occurs in the core cabin, the Wentian module can replace it immediately, improving the reliability of the entire station's operation.

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2022-04-16 01:57:00Z
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