Science News, Nature, Technology, Gadgets - The Hindu

How a German engineer pioneered aerial photography

German engineer Alfred Maul received his patent titled ‘Rocket apparatus for taking photographs’ on April 19, 1904. Even though Maul didn’t gain much from these ideas, he was surely at the forefront of aerial photography. Join A.S.Ganesh as he tells you more about Maul and his attempts to click images from the skies...

Working sequence: The first dose is a priming dose while the second dose given 28 days later is partially priming and partially boosting, and hence its boosting effect is short-lived, says Jacob John.

Can Covaxin booster dose prolong protection?

Lively ancestor: Artist's impression of a cynodont, a group that ultimately gave rise to the present-day mammals.

The story of 220-million-year-old rat-like creatures via microfossils

Aswathi Pacha The teeth were studied and compared with previously reported cynodonts

Ground station: The Aditya-L1 Support Centre, to come up near Nainital, will provide training through regular workshops for guest users.

ARIES facility will host the support centre for Aditya-L1

Shubashree Desikan The centre will expand the visibility of Aditya-L1 in the international arena

Health

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People wait in queue to receive a dose of a COVID-19 vaccine at a health care centre in New Delhi on April 10, 2021.

The Hindu Explains | Why are adverse events after COVID-19 immunisation of concern, and what do experts say?

Ramya Kannan Why are we discovering this only now? Does the vaccine prevent more harm than it may cause?

38,91,294 beneficiaries aged more than 60 have been administered the second dose. | File

Vaccine Over 12 crore doses of COVID-19 vaccine administered in 92 days in India

PTI Eight states account for 59.5% of the total doses given so far in the country.

Technology

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Whatsapp said it was not a competition issue.

Cyber agency cautions users against certain weaknesses detected in WhatsApp

PTI The advisory added that users of the app should update the latest version of WhatsApp from Google Play store or iOS App Store to counter the vulnerability threat

Microsoft Edge gets Kids Mode. | Picture by special arrangement.

Weekly Bytes | Microsoft Edge Kids Mode, Epic Games’ $1 billion funding round, and more

Ishan Patra Here's our curated list of important tech news from this week in byte size.

Word users can now learn while writing, by clicking on a lightbulb icon to get short learning tips. | Picture by special arrangement.

Microsoft Word and Excel to get these new enhancements

Ishan Patra Word feature called designer, can check for formatting and style issues in a document and offer solutions that can be easily applied. Users can also choose from multiple design themes, to quickly transform their documents.

Environment

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A Brazilian Institute for the Environment and Renewable Natural Resources, or Ibama, agent measures a tree trunk during an operation to combat illegal mining and logging in the municipality of Novo Progresso, Para State, northern Brazil, November 11, 2016.

Only 3% of land areas unblemished by humans: study

Reuters Some scientists questioned the extremely low figure, saying it could be attributed to the study using a particularly narrow definition of “intact habitats”

How bycatch along Indian coast is posing a significant threat to enigmatic marine megafauna

Nivedita Ganguly Elasmobranchs (sharks, rays, skates and sawfish) are particularly vulnerable to exploitation due to their slow growth and are one of the most threatened marine animal groups across the world.

Eurasian Oystercatcher feeding around a mudflat in Pulicat. Photo: Rama Neelamegam

Eurasian Oystercatcher: Let the beak do the talking

Prince Frederick When it comes to having a philosophy around feeding, the Eurasian Oystercatcher seems to be in a league of its own

Agriculture

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Not quite a fair deal for farmers

Ashok Kumar Though farmers at Sohna are happy that they are getting Minimum Support Price, they complain about delayed payment from the Haryana govt. and lack of amenities at mandis

One of the many Madras Thorn Fruit (Kodikkaipuli) trees that was uprooted by strong wind on Friday night at Chinna Thathampatti near Virudhunagar.

Strong wind damages crops in Virudhunagar district

Special Correspondent ‘Kodikkaipuli’ farmers in Thappampatti are devastated

Multimedia

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A researcher at Nanyang Technological University's attaching an electrode on the surface of a Venus flytrap plant at a laboratory in Singapore, as scientists develop a high-tech system for communicating with vegetation.

Watch | Scientists develop ‘robo-plants’ to interact with plants

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Only 3% of land areas unblemished by humans: study

Delhi

Explain basis for approving insurance policies excluding mental illnesses from full coverage: HC to IRDA

Study shows T. rex numbered 2.5 billion

Delhi

Any facilities in and around Delhi for care of schizophrenia patients, HC asks AAP Govt, AIIMS

Vaccine National

Over 12 crore doses of COVID-19 vaccine administered in 92 days in India

Founder of Adobe and developer of PDFs dies at age 81

The Hindu Explains | Why are adverse events after COVID-19 immunisation of concern, and what do experts say?

Why are we discovering this only now? Does the vaccine prevent more harm than it may cause?

How a German engineer pioneered aerial photography

German engineer Alfred Maul received his patent titled ‘Rocket apparatus for taking photographs’ on April 19, 1904. Even though Maul didn’t gain much from these ideas, he was surely at the forefront of aerial photography. Join A.S.Ganesh as he tells you more about Maul and his attempts to click images from the skies...

Not quite a fair deal for farmers

Though farmers at Sohna are happy that they are getting Minimum Support Price, they complain about delayed payment from the Haryana govt. and lack of amenities at mandis

Strong wind damages crops in Virudhunagar district

‘Kodikkaipuli’ farmers in Thappampatti are devastated

Resume talks with farmers, says Dushyant Chautala

Set up a team of senior Cabinet Ministers: Haryana Dy. CM

Rain destroys banana plantations in Theni

The heavy rain that lashed various parts of Theni district in the past few days destroyed 15,000 acres of banana plantations at Angurpalayam near

ARIES facility will host the support centre for Aditya-L1

The centre will expand the visibility of Aditya-L1 in the international arena

Question Corner: How does temperature determine the sex in some specific reptile and fish embryos?

Readers may send their questions/answers to questioncorner@thehindu.co.in

Can Covaxin booster dose prolong protection?

The booster dose will be given six months after the second dose, the company is to follow up the participants for at least six months

Can Covaxin booster dose prolong protection?

The booster dose will be given six months after the second dose, the company is to follow up the participants for at least six months

J&J scientists refute ‘class effect’ to blame for clots in those who got its vaccine

They say the two vaccines are ‘substantially different’ and have different effects

The story of 220-million-year-old rat-like creatures via microfossils

The teeth were studied and compared with previously reported cynodonts

How bycatch along Indian coast is posing a significant threat to enigmatic marine megafauna

Elasmobranchs (sharks, rays, skates and sawfish) are particularly vulnerable to exploitation due to their slow growth and are one of the most threatened marine animal groups across the world.

Cyber agency cautions users against certain weaknesses detected in WhatsApp

The advisory added that users of the app should update the latest version of WhatsApp from Google Play store or iOS App Store to counter the vulnerability threat

The Ken-Betwa project reflects the ill-conceived rationale behind river-linking

Last month, the UP and MP governments signed up for the Ken-Betwa project. But not only is it a shoddily conceived plan, the very rationale behind river-linking is dodgy

Eurasian Oystercatcher: Let the beak do the talking

When it comes to having a philosophy around feeding, the Eurasian Oystercatcher seems to be in a league of its own

Coronavirus | Worldwide COVID-19 death toll tops a staggering 3 million

Around the world, the trajectory of the coronavirus and the race to bring it under control vary widely from country to country

Weekly Bytes | Microsoft Edge Kids Mode, Epic Games’ $1 billion funding round, and more

Here's our curated list of important tech news from this week in byte size.

Coronavirus | Researchers propose method to treat rare blood clotting reaction to vaccine

They have outlined how this adverse reaction resembles a reaction to heparin, a blood thinner

Bustard poaching in Pakistan desert shocks wildlife activists

Great Indian Bustard, the State bird of Rajasthan, is considered India’s most critically endangered bird

Coronavirus | ‘Strong evidence’ COVID-19 predominantly spreads through air, says Lancet study

The team reviewed published research and identified 10 lines of evidence to support the predominance of the airborne route.

Microsoft Teams users can now get live transcription, new dynamic viewing options in Android

The software firm has also added a meeting recap feature, that provides access to meeting recording, transcript, chat, and attached files through a single tab.

Microsoft Word and Excel to get these new enhancements

Word feature called designer, can check for formatting and style issues in a document and offer solutions that can be easily applied. Users can also choose from multiple design themes, to quickly transform their documents.

Australia says Google “partially” misled some consumers over collection and use of location data

The enforcement action was brought by country’s competition regulator, Australian Competition and Consumer Commission (ACCC), who has been prosecuting Google for breaching consumer law.

Turkey bans use of cryptocurrencies for payments

A growing boom in Turkey's crypto market had gained further pace recently, with investors hoping to both gain from bitcoin's rally and shelter against inflation

With flagship electric car, Mercedes takes fight to Tesla

Daimler now joins rival Volkswagen AG with a dedicated electric platform. BMW will launch a dedicated platform in 2025.

Bezos says Amazon needs to do better for employees in last investor letter as CEO

Amazon, the second-largest private employer in America, hasbeen criticized by some of its 800,000 employees for havingharsh working conditions

People may trust computers more than humans to perform some tasks, study says

People may be willing to rely more on a computer programme than other humans, especially if a task is too challenging, according to a study by the University of Georgia

Amazon asks Indian court to not resume antitrust probe

The Competition Commission of India (CCI) order of investigation into Amazon and Walmart's Flipkart in January 2020 followed a complaint from a trader group, but a court put it on hold in February last year after the companies argued there was no evidence they were harming competition

Coronavirus | Mumbai-based Haffkine gets Centre’s nod to produce Covaxin

Haffkine Biopharma Corporation, Mumbai, has received permission from the Union government to manufacture Covaxin, an anti-coronavirus vaccine of

Shun vaccine nationalism, scientists tell government

Government should provide funds requested by the Serum Institute of India and Bharat Biotech to ramp up production, they say.

Data | India accounts for 6% of the world's COVID-19 cases registered in April

In India, Maharashtra continues to bear the brunt both in terms of cases and deaths

Apple’s $200 million Restore Fund: a vow to remove one million metric tons of carbon dioxide annually

The move announced ahead of Earth Day 2021 sees the US$200 million investment aiming to remove at least one million metric tons of carbon dioxide annually from the atmosphere while demonstrating a viable financial model that can help scale up investment in forest restoration.

Stuck at home again this summer? Bring sparrows to your urban neighbourhoods

Bring sparrows to your urban neighbourhoods this summer, by making simple nest boxes for the birds to rest in

Bezos’ Blue Origin gets closer to human space flight with “astronaut rehearsal”

NS-15 mission’s crew capsule and booster reached an altitude of about 106 km above ground level and landed back on Earth after 10 minutes.

Data | COVID-19 vaccination rate picks up significantly in the first ten days of April in India

Tamil Nadu is one of the few major States that recorded a decrease in vaccination rate between April 1 and 10 compared to March 21 and 30

Google Assistant can now help find iPhones too

Once opted in to receiving notifications and critical alerts from the Google Home app, users will hear a custom ringing sound, even when the phone is on silent or Do Not Disturb mode.

Foreign produced COVID-19 vaccines: Decision on emergency use applications to be taken in three days

Health Ministry issued regulatory pathways for foreign produced COVID-19 vaccines according to which the CDSCO has prepared detailed guidelines specifying regulatory pathway

Microsoft expands its Surface line-up with new ‘Laptop 4’

Surface Laptop 4 is available in two display sizes – 13.5-and 15-inch, both PixelSense touchscreens, and offers a choice between either the 11th Gen Intel Core processors, or AMD Ryzen Mobile Processors.

India-France sign agreement for cooperation on Gaganyaan mission

ISRO has asked CNES to help prepare for Gaganyaan missions.

Wellbeing quiz: On wounds and injuries

Take this simple quiz on types of wounds

‘Tika Utsav’ | Three States administered more than one crore vaccinations

‘Tika Utsav’ saw many Workplace Vaccination Centres (CVCs) operational across private and public work places, the Ministry said.

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