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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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‘Initial support will cover 92 low- and middle-income economies for COVID-19 vaccines’, says Gavi the Vaccine Alliance CEO Seth Berkley

1st animal study in India on coronavirus moves to its final stage: AYUSH Ministry

Coronavirus | Oxford University COVID-19 vaccine ‘encouraging’ for older age groups: study

Coronavirus | Study reveals how smoking worsens COVID-19 infection in the airways

From Vitamins to NASA: The Hindu Science Quiz

Know the scientist: Sir Lawrence Bragg

Coronavirus | Pfizer ends COVID-19 vaccine trial with 95% efficacy, to seek emergency-use authorisation

Moderna Inc on November 16 released preliminary data for its vaccine, showing similar effectiveness.

Bad cabling blamed for failed launch of European satellites

The Vega rocket was carrying Spain’s first Earth observation satellite, called SEOSAT-Ingenio, and TARANIS, a French satellite designed to observe events in the upper atmosphere

Can surgical masks be reused?

The U.S. Food and Drug Administration (FDA) recommends — in emergency circumstances — hydrogen peroxide vapour to decontaminate the N95 masks worn by healthcare workers.　

WHO launches strategy to accelerate elimination of cervical cancer

“We want countries to aim for 90% of girls under 15 vaccinated, 70% of eligible women identified and treated, 90% of women with invasive cancer treated,” Dr. Princess Nothemba Simelela from South Africa, WHO assistant director general, told a news briefing.

Building blocks of life can form long before stars: study

The researchers showed that it is possible for glycine to form on the surface of icy dust grains of comets, in the absence of energy, through ‘dark chemistry’

SpaceX capsule carrying 4 astronauts docks with International Space Station

The three Americans and one Japanese astronaut will remain at the orbiting lab until their replacements arrive on another Dragon in April

Bharat Biotech’s COVID-19 vaccine Covaxin enters phase-3 trials

26,000 volunteers to form part of the study

Moderna says its vaccine appears to be 94.5% effective, shows early success in U.S. tests

Moderna’s vaccine, created with the National Institutes of Health, is being studied in 30,000 volunteers who received either the real vaccination or a dummy shot

Biological E. Limited’s COVID-19 vaccine enters Phase I/II trial

The results of this clinical trial are expected to be available by February 2021

The best from the science journals: When Jupiter’s moon glowed

Here is some of the most interesting research to have appeared in top science journals last week

UK to run final stage trials of Janssen COVID vaccine

Scientists will begin recruiting some 6,000 people across the U.K. on Monday for the 12-month trial.

'One heck of a ride': SpaceX launches astronauts into space

This is the second crew to be launched by the private space company.

Watch | Hi-tech translation masks

A video on Japanese company Donut Robotics' "C-Face" mask

Tristan da Cunha island creates massive marine protection zone

The sanctuary will be the biggest “no-take zone” in the Atlantic Ocean

The Sunday Quiz: Easy like Sunday morning

All these animals and plants have a common name because of the way they look! Just fill in the blanks with what you think they look like. The number in the brackets is the number of letters of the word. Good luck!

Egypt finds treasure trove of over 100 sarcophagi

They were found in three burial shafts in the sweeping Saqqara necropolis south of Cairo.

Coronavirus | India has initiated an integrated response against COVID-19 pandemic: Harsh Vardhan

India is hosting clinical trials for all the major vaccines, and about 20 vaccines are in different stages of development, says the Union Minister

SpaceX launch of crew on first 'operational' mission delayed by weather

This is NASA's first full-fledged human mission using a privately owned spacecraft.

Japan Nobel laureate Masatoshi Koshiba, who found neutrinos, dies at 94

Koshiba devised the construction of giant underground chambers to detect neutrinos, elusive particles that stream from the sun.

New genus of tree frog discovered, found in Andamans and Northeast India

Frogs of this genus are known to inhabit forested as well as human-dominated landscapes right from Northeast India, Andaman Islands, Myanmar, Thailand, Malaysia, Indonesia, Vietnam, Laos, and Cambodia, up to southern China.

Coronavirus | Evidence of two-way transmission found on mink farms

The researchers performed an in-depth investigation among the first 16 infected farms in the Netherlands

3,000-year-old fortress unearthed in Golan Heights

Barak Tzin, who directed its excavation for the Israel Antiquities Authority, estimated that it covered more than 1,000 square metres.

Coronavirus | 18 generic drug companies pledge to make COVID-19 drugs for developing countries

The companies have come together under the umbrella of the non-profit Medicines Patent Pool (MPP).

COVID-19 vaccine Sputnik V shows 92% efficacy, says Russia

Results are based on an analysis of 20 participants in phase 3 trial

Coronavirus | New ‘hidden’ gene identified

The gene elicits strong antibody response in COVID-19 patients, demonstrating that the protein produced from the new gene is manufactured during human infection.

Report sounds an alarm on ongoing decline of U.S. coral reefs

The reefs off the Florida coast are the country’s most degraded, with perhaps as little as 2% remaining, officials said.

Coronavirus kills 15,000 U.S. mink, as Denmark prepares for nationwide cull

In Utah, the first U.S. state to confirm mink infections in August, about 10,700 mink have died on nine farms, said Dean Taylor, state veterinarian.

Pfizer COVID-19 vaccine “very promising” but has cold chain issues: WHO

The necessity to keep the vaccine in extremely cold storage could complicate any inoculation programme, above all in regions of Asia or Africa where the climate is warm

Indian researchers working towards developing effective vaccine strategies against SARS-CoV-2 and HIV

“Such ‘warm’ vaccines can be stored and transported without expensive cooling equipment to remote areas for mass vaccination.”

Watch | India’s first batch of homegrown asafoetida

A video on India’s first batch of locally grown asafoetida

India should build COVID-19 vaccine confidence, identify ‘hesitancy hotspots’: immunisation expert Heidi J. Larson

According to Prof. Larson, there is generalised vaccine hesitancy primarily because of the lack of proper information on the safety and efficacy of any of the possible COVID-19 vaccines. This is due to distrust of governments as well as motives of pharmaceutical companies

Pfizer says COVID-19 vaccine 90% effective in Phase 3 trial

Protection in patients was achieved seven days after the second of two doses, and 28 days after the first, according to preliminary findings.

‘We want science and technology to be part of government’s priority more than ever,’ says NITI Aayog’s VK Paul

He said the think tank is making a strong case for increasing investments in science

Indian fossils shed light on the origin of horses, rhinos, tapirs

The researchers believe the group likely evolved in isolation in or near India 66-56 million years ago, before dispersing to other continents when the land connection with Asia formed.

Watch | Kenya's lakes are flooding

A video explainer on why the lakes in the Great Rift Valley have been rising over the years

Hackers can exploit Zoom users by noticing shoulder movements, report says

The team tested the attack on Skype, Google Hangouts and Zoom. Skype yielded slightly better results than the other two video-conferencing software, the team stated.

Coronavirus | Makes sense to bring people to the vaccine instead of taking the vaccine to people in some settings: Dr. Gagandeep Kang

I think vaccines should be free if national public health policy is to use vaccines to prevent disease and transmission, she adds.

Coronavirus | Delivery of COVID-19 vaccines poses a huge challenge

Most of the COVID-19 vaccines, the RNA vaccines in particular, require –70 degrees C to –80 degree C cold-chain

Question Corner: How different are the brains of birds from those of mammals?

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

Soak in the Sun, sleep early and tight to avoid myopia

At this rate, by 2050, 64 million children in urban India may have myopia

Lessons from Ladakh’s glacial lake outburst

The cause was not spillover but rather a tunnelling drainage process

Ancient skeleton offers clues on prehistoric era

The severely eroded teeth indicate a fibre-rich, grain diet

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