Science News, Nature, Technology, Gadgets - The Hindu- Page 20

Coronavirus | Health Ministry says ‘limited community transmission’ in India

WHO has not listed community transmission for any country including the U.S.

Quick spread: Lombardy region, a district of 10 million, is the epicentre of the epidemic in Italy.

Silent spread of novel coronavirus in Italy went undetected for weeks

Specialised camera: A montage of images of the retina taken using fundus photography.

How artificial intelligence can aid eye testing

Aswathi Pacha A tool to detect diabetic retinopathy has been developed by Google and an international team of researchers

Weakness within: Owing to higher extent of specialisation, larger populations can become more vulnerable to sudden environmental changes, say Sutirth Dey (left) and his collaborator Yashraj Chavhan.

How population size shapes evolution patterns in E. coli

Shubashree Desikan Large populations tend to evolve into exercising fitness trade-offs

Health

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Boats anchored along the banks of river Ganga during the nationwide lockdown imposed in the wake of coronavirus pandemic, in Prayagraj.

Government launches ‘AarogyaSetu’ app to assess, alert people about coronavirus patients

PTI According to a Ministry official, the app will detect only fresh cases and will send out alerts to only those who have been nearby the infected person.

File photo of Nivaquine, tablets containing chloroquine, a commonly used malaria drug that has shown signs of effectiveness against COVID-19.

Hydroxychloroquine shows potential to treat COVID-19, a preprint claims

R. Prasad Preprints are yet to be peer-reviewed and published in a medical journal.

Technology

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Today’s cache | God Mode, Robocalls and more

John Xavier Today's cache is your daily download of the top 5 updates from the world of technology.

As usual, people took to Twitter to report the outage

Facebook, Instagram, WhatsApp back to normal after outage in some regions

IANS According to outage tracking website Downdetector, people across the reported problems with the platforms, as they stay home owing to the ongoing lockdowns amid the novel coronavirus pandemic

Streaming service Spotify displayed on tablet screens

Spotify India and Warner Music Group renew global licensing deal

Divya Kala Bhavani The newly-inked deal between the music streaming service and Warner Music Group’s Warner Chappell will finally bring the music of major songwriters such as Katy Perry and David Guetta to Indian listeners on the platform

Environment

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How you can bring the sparrows back

K Jeshi N Dhanasekar of Coimbatore’s Chittukuruvigal Arakattalai Trust has some tips for the return of the once-ubiquitous bird

Small Indian Civet

Urban wildlife spotting during COVID 19 lockdown

Anasuya Menon While wildlife experts caution against fake news, the lockdown has certainly had a positive impact on urban wildlife. Now, birders take on a balcony safari as Bird Count India commences a 21-day lockdown birding challenge

Breathing well: NOx pollution levels have dropped by 38% in Mumbai.

National lockdown | Air quality improves in over 90 cities

PTI Lockdown has reduced vehicular traffic across the country, leading to a drop in PM2.5, NOx levels

Agriculture

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Farmers’ groups said there were large gaps between allocation of funds and actual expenditure.

Budget 2020 | Rail, flight services to transport farm produce

Special Correspondent FM announces ‘Kisan Rail’ programme

A ‘kasturi manjal’ plantation

How three friends are giving a new lease of life to ‘kasturi manjal’ or wild turmeric

Athira M The spice is becoming extinct and is also facing threats from a counterfeit variety

Multimedia

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Watch | Steep rise in India’s COVID-19 cases

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India, co-builder of Hawaii telescope, wants it shifted out of proposed site

Not enough is known about China coronavirus strain, says WHO official Roderico Ofrin

Greta Thunberg slams Davos elites on climate as Trump takes stage

India in talks to be part of East Asian Observatories Consortium

Madras Bird Race is back, and over 100 bird species await

#DelhiMoves Health

Despite epilepsy, this Delhi man pursues endurance cycling

Taiwan reports first case of Coronavirus

The patient is a Taiwanese woman in her fifties, living in Wuhan, who returned to the island on Monday with symptoms including fever, coughing and a sore throat.

Anvayaa’s 360-degree programme lends a helping hand to the elderly

Hyderabad-based Anvayaa that bagged first place at IIT Madras’ E-Cell Summit 2020, offers help to look after your parents

The world’s on fire, can’t be left to firemen alone to tackle it: Swiss President

During a special address at the 50th WEF Annual Meeting, Simonetta Sommaruga said when economic benefits are placed above nature, the consequences for humans and the economy are immense.

China coronavirus claims sixth victim, new cases top 300

Around the world, airports tightened screening of travellers from China as officials confirmed the coronavirus strain is contagious between humans.

Qualcomm launches 720G, 662, 460 mobile platforms in India

Snapdragon 720G, 662 and 460 are focused to deliver better user experience across connectivity, entertainment and gaming

Move over 5G, Japan to launch 6G by 2030

It is believed that the new technology will be 10-times faster than the current 5G

Hyderabad to host ‘Born On Instagram’ event

The event will unite creators, Telugu film personalities and reps from Facebook and Instagram under one roof

Instagram drops IGTV button due to lack of use

Instagram launched IGTV in 2018 in an effort to compete with YouTube, but then TikTok came along. Before IGTV, Instagram had only allowed people post videos that were 60 seconds or shorter

AI needs to be regulated, says Alphabet CEO Sundar Pichai

Although new regulation is needed, “a cautious approach is required that might not see significant controls placed on AI,” Sundai Pichai wrote in an editorial piece in The Financial Times

A look at 1,40,000 square-foot Bala Vikasa International Centre, Telangana’s latest startup incubator

After 30-plus years of corporate social responsibility and working with grassroots industries Bala Vikasa has finally set up a dedicated International Centre in Keesara — plus, a look at the organisation’s history:

Australia to screen some flights from China, warns coronavirus difficult to stop

Brendan Murphy, the chief medical officer for the Australian government, said biosecurity officials would begin screening passengers arriving on the three weekly flights to Sydney from Wuhan starting on Thursday

Government yet to seek green clearance for water aerodromes

10 aerodromes have been awarded to airlines for seaplane operations

Health Ministry asks for thermal screening at international airports

Precautions aim to keep Novel Coronavirus out

Australia’s iconic platypus under threat from climate change: study

The platypus is one of the five extant species of monotremes, the only mammals that lay eggs instead of giving birth to live young.

Firework plans to become the go-to platform for short video content

Sunil Nair, CEO of Firework, on how the short-format video platform hopes to succeed in India

'Disco Elysium': a rich video game with isometric role-playing

This award-winner is that engrossing and thought-provoking game you did not know you needed

Huawei, TomTom ink deal for Google Maps alternative

The arrangement had been struck a while back, according to TomTom’s Remco Meerstra, but hadn’t been revealed until now

Hacker leaks passwords for 5 lakh Internet-connected devices

Attackers could use those credentials to gain remote access to the affected devices, like we have seen recently in some home cameras and devices, including Amazon-owned Ring security cameras

Why 2019 was a good year for butterflies in Tamil Nadu

On a wing and a prayer: Conservation efforts and good monsoons ensured that 2019 was a bumper year for butterflies

Tencent says to step up investment overseas and in smart retail

Tencent is known to have stakes in firms such as food delivery giant Meituan Dianping, e-commerce site Pinduoduo and video game companies such as Riot Games and Supercell.

Dust storms and giant hail batter bushfire-weary Australia

Violent hail storms pelted the capital Canberra on January 20, with footage showing the storm ripping branches off trees.

With coronavirus outbreak in China, TN asks doctors to look out for influenza-like illnesses

The Public Health Directorate has asked doctors to look out for symptoms of respiratory infections, fever and cough and ask for the travel history of patients

Why the breeding of spot-billed pelicans at Vellalore Lake is good news

The pelican brief: Spot-billed pelicans have bred successfully at Vellalore Lake for two consecutive years. And that is good news, say members of the Perur Lake Forum

UN's decarbonisation target for shipping to cost over $1 trillion - study

U.N. shipping agency, the International Maritime Organization (IMO), aims to reduce the industry's greenhouse gas emissions by 50% from 2008 levels by 2050, a target that will require the swift development of zero or low emission fuels and new ship designs using cleaner technology.

WhatsApp hits 5 billion installs on Android

According to Statista, WhatsApp is most popular global mobile messenger app worldwide with approximately 1.6 billion monthly active users, outranking Facebook Messenger at 1.3 billion and WeChat at 1.1 billion users in 2019

WhatsApp faces outage in India, Twitter abuzz

Millions of users were unable to share videos, photos and GIFs, audio and stickers and several of those said they were even unable to view WhatsApp Status feature.

South Korea confirms first case of new coronavirus in Chinese visitor

The patient is a 35-year-old Chinese woman who flew from Wuhan, China to Incheon international airport on Sunday.

China confirms spread of coronavirus as new cases surge

New cases reported in Beijing, Shenzhen, third death reported in Wuhan, where outbreak started

China counts sharp rise in coronavirus cases, 2 in Beijing

Authorities and media reports said the total number of infected people has topped 200.

Indian school teacher in Shenzhen treated for streptococcal infection

Preeti Maheshwari, who works at an international school in the city, has been admitted to a local hospital after she fell seriously ill last Friday. Doctors confirmed that she was suffering from the virus and is being treated for it on Monday, according to her husband.

Dewar and his special flask

A Scottish chemist and physicist, James Dewar’s work proved seminal to the then nascent field of cryogenics. Apart from producing solid air and liquefied hydrogen, he is best known for designing a double-walled vacuum flask that bears his name. A.S.Ganesh talks about the man and his contributions to science...

The Mind Matters: How Tamil Nadu is coping with high prevalence of mental illnesses

Treating patients with mental health issues is seldom about managing just the disease; a whole host of other factors, including stigma, discrimination, lack of awareness and long-term rehabilitation need to be tackled by health care professionals.

What is the source of the new SARS-like disease reported in China?

Are there any precautionary measures?

Feathers grew differently on dinosaurs and birds

A fossil of a fierce little Chinese dinosaur dubbed the “dancing dragon” that lived 120 million years ago is showing scientists that feathers grew

Centre waives green clearance for onshore and offshore oil and gas exploration

This can mean lax oversight and it might affect farms, sea life, says environmentalists

Question Corner: Geometry of lines

Why do two parallel lines appear to meet at an infinite distance?Kabir H. BiswasCollege of Health &Life SciencesHamad Bin Khalifa UniversityDoha,

TB diagnostic test developed in India has high accuracy, says WHO

Truenat can be used as an initial tool for diagnosing TB at primary, community health centres

IIT Bombay efficiently removes heavy metals from water

The nanostructure showed 80-90% adsorption efficiency for arsenic, chromium, cadmium, mercury

Stray dogs may have a natural ability to understand human gestures

Stray dogs have the natural ability to understand human gestures, and respond to some cues better than the others, according to a study which may

Eastern Ghats: land use policies, climate change hit endemic plant habitats

The region has over 450 endemic plant species, yet remains degraded

Regulator flags 49 out of 1,336 drug samples as ‘not of standard quality’ and one spurious

Defects arising out of minor variations in quality but injurious to health, it says

Quiz: This week, it’s all about physics units named after people

A molecular biologist from Madurai, our quizmaster enjoys trivia and music, and is working on a rock ballad called ‘Coffee is a Drink, Kaapi is an Emotion’. @bertyashley

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