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A lab assistant uses a pipette to prepare Coronavirus RNA for sequencing. File

COVID-19 surge | ‘INSACOG shared analysis on new strains with government’

Special Correspondent

INSACOG refers to the Indian SARS-CoV-2 Genome Sequencing Consortia

Illustration of NASA’s Perseverance rover at work within the Jezero Crater on Mars. Credit: NASA/JPL-Caltech

Best from science journals: Icy clouds on Mars

Question Corner: What makes chocolate smell musty and mouldy?

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

Medical oxygen cylinders arrived for COVID-19 patients, at Shahnai Banquet Hall Covid Isolation Centre in New Delhi on Thursday, April 29, 2021.

Scientists see flaws in govt-backed model's approach to forecast pandemic

Jacob Koshy A parameter that was inaccurate and calibration errors may have led to predictions that did not signal the catastrophic second wave.

Editor's Pick

Sauropod skeleton. Image for representational purposes only

100 million-year-old bones of sauropods discovered in Meghalaya

PTI The finding makes Meghalaya the fifth state in India after Gujarat, Madhya Pradesh, Maharashtra, and Tamil Nadu to report Sauropod bones having titanosaurian affinity.

People aged between 18 and 45 getting vaccinated at Apollo vaccination centre in Chennai

Single COVID-19 vaccine dose boosts protection in previously infected: study

PTI People who had previously had mild or asymptomatic infection had significantly enhanced protection against the Kent and South Africa variants, after a single dose of the mRNA vaccine.

IICT chief S. Chandrasekhar with Bharat Biotech CMD Krishna Ella recently.

COVID second wave affects trial of new drugs

V. Geetanath IICT has lined up at least three potential repurposed drugs for clinical trials

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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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Broad-spectrum antiviral inhibits novel coronavirus

Dead fragments of novel coronavirus led to false positives in recovered patients

Speaking of Science | Science

Using human sweat as diagnostic tool and source of power

NIAB develops portable coronavirus detection kit

A podcast for couples in lockdown

Watch | Which organs does COVID-19 affect the most?

Scientists using algae to produce low-cost COVID-19 test kits

Researchers in Canada are using algae to rapidly develop low-cost serological test kits for COVID-19 that they say would determine if someone has

One mutated coronavirus type dominates globally

A2a type enhances the efficiency of entry of the virus into human cells

Coronavirus spares no major organ in the body

Lungs are just the ground zero, and the virus spreads its lethal tentacles to multiple organs in some patients

First merger of two black holes with unequal masses detected

The merging entities were about 30 and 8 times the Sun’s mass

Sewage surveillance can estimate coronavirus spread in the community

Viral particles in sewage samples is a collection of virus shed by many people in the community and is akin to pooled testing

Witnessing the future through the coronavirus lockdown

Imagine a future with clean air

Stop villainising bats, say scientists and conservationists

The mammals do not spread COVID-19, they say

NASA develops high-pressure ventilator to fight COVID-19

NASA engineers have developed a new, easy-to-build high-pressure ventilator tailored specifically to treat COVID-19 patients. The device, called

Coronavirus | DRDO develops mobile virology research lab

Defence Minister Rajnath Singh on Thursday inaugurated through videoconference a mobile virology research and diagnostics laboratory (MVRDL). It has

Bats, coronaviruses evolving together for millions of years: Study

The study, published in the journal Scientific Reports, noted that bats are natural carriers of coronaviruses

Coronavirus: Phase-1 human trial of Oxford University vaccine to begin today

It will focus on safety and tolerability in 500 healthy volunteers

JNTBGRI to play key role in sequencing of Indian species

The Jawaharlal Nehru Tropical Botanic Garden and Research Institute (JNTBGRI) here is gearing up to play a key role in a nationwide project to decode

IIT-Madras alumnus appointed to U.S.’s National Science Board

Sudarsan Babu is the third alumnus from the institute to occupy the position

Watch | The immune system's response to a coronavirus attack

A video explainer of how your immune system responds to SARS-CoV-2

Mango Education delivers science education successfully

As it enters its fifth year, Mango Education looks back with a sense of achievement and looks forward to continuing the work of building a community of science enthusiasts

Watch | Why are hospitals hotbeds of COVID-19 transmission?

A video explaining how certain areas in hospitals have high risk of novel coronavirus infection

Coronavirus | Spare monkeys the virus, say biologists

Feeding primates could lead to mutated SARS-CoV-2 infecting hapless animals.

The COVID-19 virus and its polyproteins

What makes up the virus and how drugs act on it.

U.S. to start antibody testing on virus-hit aircraft carrier

Significantly, 60% of positive tests were among symptom-free sailors

IIT Bombay develops IT solutions to help with physical distancing

Systems connecting people to medical help, avoiding queues, are in use

Substantial coronavirus spread seen before symptoms show up

Within 77 infector-infectee pairs, 44% of secondary cases had been infected when the person was yet to show symptoms

Hydroxychloroquine does not reduce viral load, randomised trial shows

However, patients who got the drug did show quicker alleviation of clinical symptoms

Sunday Quiz: Easy like Sunday morning

Be less curious about people and more curious about ideas: Marie Curie

Watch | Convalescent plasma therapy for COVID-19 patients

A video on convalescent plasma therapy and its feasibility in COVID-19 patients

Kisan Rath to link farmers to transport options

They will have access to a network of over 5 lakh trucks and 20,000 tractors.

Watch | Save the Indian Mango: How farmers are hoping to tide over COVID-19 crisis

A video on the COVID-19 impact on mango harvest and exports

Coronavirus | Department of Science and Technology moots research to study effects of yoga in fighting viruses

It may address improving immunity, respiratory system and interventions to overcome stress, anxiety and depression

Study indicates sex-specific differences in immune system

A study led by researchers from Australia finds crucial differences in the way the immune system acting in the body fat of male and female mice

COVID-19: younger patients develop fewer neutralising antibodies, study finds

But older patients who had more neutralising antibodies did not recover faster

Why hospitals are hotbeds of coronavirus transmission

Once in contact with the virus on objects and surfaces, there is high risk of infection

When should we blow the shofar?

With COVID-19, we are fighting an invisible enemy

Coronavirus: two vaccines enter human trials, 60 in pre-clinical stage

Include non-replicating viral vector and messenger RNA vaccines

Watch | How long does SARS-CoV-2 stay potent?

A video on the viability of SARS-CoV-2 which causes COVID-19

Sunday Quiz: Some historic firsts

Easy like Sunday morning

Coronavirus | IIT develops UV-technology fitted ‘trunk’ for homes to sanitise grocery items, currency notes

The trunk when commercialised, can be available at less than ₹500, according to the team at IIT Ropar

'Houston, we’ve had a problem here': Apollo 13’s most famous quote originated in Hollywood

Director Ron Howard’s film starring Ed Harris as Kranz and Tom Hanks as mission commander Jim Lovell was based on Lovell’s 1994 autobiography, 'Lost Moon'

Hydroxychloroquine: Can the anti-malarial drug contain COVID-19?

Anti-malarial drug hydroxychloroquine shot to fame as it is shown to have shortened the time to clinical recovery of COVID-19 patients

No press, no family: Space crew set for launch during pandemic

‘Quarantine and isolation from the rest of the world are not new habits for astronauts’

Watch | What stargazers can look forward to this April

A video listing celestial events to take place in the coming weeks

Two CSIR labs start sequencing novel coronavirus

It will help understand where the virus came from and how it has spread

Hydroxychloroquine: publisher expresses ‘concerns’ about study

About 10 days after the Indian Council of Medical Research (ICMR) approved the use of hydroxychloroquine for prophylaxis by healthcare workers

Sunday Quiz: All about medical history

A record of marvelous medical history!

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A patient being taken in an auto-rickshaw to the COVID-19 Ward at King George Hospital, in Visakhapatnam on Monday.

162K | COVID-19 | A.P. strain at least 15 times more virulent

Asiatic Lion seeks the comfort of a shade in its enclosure at the Nehru Zoological Park as the temperatures are rising with the onset of summer in Hyderabad on Saturday.

73K | Eight Asiatic lions test positive in COVID-19, first in India

Photo: aiimsrishikesh.edu.in

41K | Science Ministry funds trial on effect of Gayatri Mantra in treating COVID-19

Justice N.V. Ramana.

25K | News Analysis | A paradigm shift in Supreme Court after Justice N.V. Ramana takes over as CJI

DMK president M.K. Stalin handing over a letter of his election as Legislature Party Leader to Governor Banwarilal Purohit on May 5, 2021. Photo: Special Arrangement

25K | Full list of Tamil Nadu Cabinet and Council of Ministers

Rohith Kumar, 22

25K | Bed blocking scam: Social worker, nephew held in sting operation

Relatives of a woman suffering from the coronavirus disease (COVID-19), carry an oxygen cylinder as she receives treatment in the emergency room of Holy Family Hospital in New Delhi.

22K | Coronavirus | COVID-19 surge may taper off by end of May, says virologist Gagandeep Kang

A view of the Supreme Court of India. File

22K | Supreme Court declares Maratha quota law unconstitutional

Family members and paramedical workers rush a coronavirus patient at Rajiv Gandhi Government General Hospital, in Chennai on May 3, 2021.

14K | Coronavirus | TN imposes fresh restrictions for 14 days from May 6