Science News - The Hindu- Page 15

Parts of the molecules attracted to or repulsed from water, shown in purple and blue respectively, orient and guide the molecules to form a nanostructure. Credits: Peter Allen

Best from science journals: Nanofibers stronger than steel

Shuvabrata Garai

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

Traces of SARS-CoV-2 (green) in the cells lining people’s intestines three months after infection. Credit: https://www.rockefeller.edu/

Immune system of recovered COVID-19 patients may evolve to fight coronavirus variants: Study

The molecular biodiversity research division lab at the Government Arts College in Udhagamandalam.

Laboratory comes up with technique to identify wildlife species from DNA

Rohan Premkumar Species authentication from scat and tissue samples helps in detecting illegal wildlife trade

A monarch butterfly is seen at El Rosario sanctuary for monarch butterflies in the western state of Michoacan, near Ocampo, Mexico February 3, 2020.

Question Corner: How do butterflies fly with such small bodies and large wings?

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

Editor's Pick

Leading the way: At 1.82 lakh vaccinations as on January 22, Karnataka has the most number in the country, followed by Andhra Pradesh (1.27 lakh) and Odisha (1.21 lakh).

CoWIN glitches also responsible for low vaccine uptake

R. Prasad Registration of health-care workers on CoWIN is incomplete, many practising alternative medicine are not included

Impact: Frequent flash droughts can have deleterious effects on crop production in India.

More flash droughts in India by end of century

Aswathi Pacha Atmospheric anomalies, anthropogenic greenhouse gas emissions play a role

Number one: The Sind krait (seen in the picture) has been identified as the snake with the most potent venom in India.

Lookalike snakes but with self-styled venoms

Shubashree Desikan Indian antivenoms were ineffective in neutralising venoms of cryptic kraits

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A supplied undated image obtained January 20, 2020 shows a platypus being surveyed by researchers for the Platypus Conservation Initiative in New South Wales, Australia.

Watch | Why are platypuses so weird?

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

Sunday Quiz: Some historic firsts

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

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

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

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

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!

‘Pink Supermoon’ to be visible on April 8

On April 8, the moon would rise from Kolkata horizon at 6.17 p.m. and set at 6.19 a.m. the next day.

Of super moons, meteor showers and more in Coimbatore

Science educator Obuli Chandran tells Coimbatore’s star gazers what they can expect to see in the skies this month

How paper planes can teach you aerodynamics and geometry

Guinness World Record holder John Collins sees paper planes as an educational tool that helps one study aerodynamics and geometry

Coronavirus | Correlation does not mean causation, say doctors about BCG vaccine study

The protective effect is a biologically plausible hypothesis.

Stargazers have much to look forward to thanks to lower pollution levels and clearer skies due to the lockdown

Two celestial events — the pink moon and the comet Atlas in Ursa Major — will be visible, unaided in the coming weeks thanks to the clear skies because of the Covid-19 lockdown

Coronavirus: TCS uses AI for drug discovery

The researchers have identified 31 candidate molecules to target the main protease which helps the virus replicate

Novel coronavirus can be transmitted even before symptoms show up

The existence of presymptomatic or asymptomatic transmission makes contact tracing more challenging

‘Shutdown alone is not enough to break the chain’

In an unprecedented measure, India on March 25 began a country-wide shutdown for 21 days to cut the transmission chain of the novel coronavirus

Update on India’s war against COVID-19

This involves detection, protection, prevention, prescription and, not the least, participation

Bharat Biotech set to develop and test vaccine for COVID-19

CoroFlu is a one drop COVID-19 nasal vaccine built on a flu vaccine “backbone” that has been shown to be safe and well-tolerated in humans, in Phase I and Phase II clinical trials

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

A video on the exponential increase in the number of COVID-19 cases

Coronavirus | Doctors wary of BCG vaccine study

The vaccine is known to confer a strong immune response that had protective effects beyond just staving off a tuberculosis infection.

Antarctica was home to rainforests 90 million years ago: Study

According to the study, the carbon dioxide levels in the atmosphere were higher than expected 115-80 million years ago, challenging current climate models of the period.

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

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

IISc. researchers building electro-mechanical ventilator prototype from scratch

Using only components found or made in India, they hope to ready it in a few weeks

Nobel laureate Phillip Anderson dies at 96

Anderson graduated from Harvard in 1949 and then worked for Bell Telephone Laboratories until he began teaching at Princeton and the University of Cambridge.

Coronavirus | Health Ministry, Office of the Principal Scientific Adviser differ on mask use

It doesn't recommend the use of health mask or N95 mask that are expensive, not-reusable and largely used in hospital settings.

Air purifying technology to disinfect State hospitals in COVID-19 fight

Developed by Pune-based start-up incubatee of Scitech Park

COVID-19: Priorities for national biomedical research centre located in a hotspot region

The Rajiv Gandhi Centre for Biotechnology has now set up a clear clinical and discovery research roadmap on COVID-19 to support outbreak management and maximise benefit to the public

Opinion | Researchers in India must join the fight against COVID-19

The failure of the Indian research community to respond to the imminent threat with sufficient alacrity is surprising.

Watch | What is the hantavirus?

A video on the zoonotic disease which is transmitted to humans from rodents

Watch | The impact of heat stress on people

A video on the impact of heat stress over people due to rising global temperatures

How population size shapes evolution patterns in E. coli

Large populations tend to evolve into exercising fitness trade-offs

Possible transmission of novel coronavirus from mother to child

Researchers found elevated levels of specific antibodies in a newborn

Silent spread of novel coronavirus in Italy went undetected for weeks

By the time the first case was reported, the virus had already spread to most areas in southern Lombardy

Strike at the spike and win the war

The spikes made of a glycoprotein are the business end of the virus

How artificial intelligence can aid eye testing

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

Abbott wins U.S. approval for test that can detect COVID-19 in five minutes

Abbott said in a statement that it plans to begin distributing the test next week and will ramp up manufacturing to 50,000 tests per day.

Infecting healthy people with coronavirus can speed up vaccine trials

Participants will be carefully followed to monitor how they respond

Oxford University’s coronavirus vaccine opens for clinical trial on humans

ChAdOx1 nCoV-19, the COVID-19 vaccine developed by Oxford, is based on an adenovirus vaccine vector and the SARS-CoV-2 spike protein.

Sunday Quiz: Easy like Sunday morning

‘COVID-19, also known as Mother Nature’s Revenge!’

Shutdown alone is not enough to break the chain, says epidemiologist Giridhar R. Babu

Mitigation and containment need to go hand-in-hand, says Professor Giridhar R. Babu, head of Lifecourse Epidemiology at the Public Health Foundation of India

The stars look down: Mango Education’s online star gazing session teaches people about the night sky

There is so much time to stand and stare and that is exactly what Mango Education is encouraging the young and old to do

COVID-19: Doctors cautious over use of malaria drug as preventive

The Council cautioned the general public against the unrestricted of the drug, stating that “it is still at experimental stage and is not recommended for public use.”

Fish fossil show how fins evolved into human hands

Their evolution into four-legged vertebrates was one of the most significant events, says study

Long-tailed macaques show rich tool-use behaviour

Tool use and object manipulation were observed in six behavioural contexts involving eight different types of objects

Coronavirus | Vaccine was rapidly synthesised as novel coronavirus sequence was available, says virologist Gagandeep Kang

It will take at least a year, if not longer, before we have a vaccine for commercial use, says Dr. Kang, who is the executive director of the Translational Health Science and Technology Institute, Faridabad.

A step closer to developing a potent drug against novel coronavirus

The presence of the inhibitor in the lungs even after 24 hours is significant because the virus affects the lungs

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Children perform at a Uttar Pradesh Foundation Day function attended by State Minister Ajit Singh Pal at Kanpur Dehat district on January 24, 2021. Three journalists have been booked by the district police for airing news report “showing children of a government school shivering in cold” during the event. Photo: Facebook/@ajitpalofficial

36K | 3 TV journalists booked in U.P. for showing students ‘shivering in cold’ during government function

Vijay and Vijay Sethupathi in ‘Master’

21K | Vijay-starrer 'Master' to release on Amazon Prime Video on January 29

Nephew of V.K. Sasikala and AMMK founder T.T.V. Dhinakaran, speaking to reporters outside Victoria hospital in Bengaluru on Wednesday, January 27, 2021.

13K | V.K. Sasikala released from prison after serving 4-year term

Farmers gesture as they listen to a speaker at the protest site in Singhu border, New Delhi on January 27, 2021.

13K | Republic Day violence | Government conspiracy led to violence, say farmer unions

Reliance Industries Chairman Mukesh Ambani. File photo

11K | Indian billionaires increased their wealth by 35% during the lockdown, says Oxfam report

11K | Kashmir’s first-ever igloo restaurant turns selfie spot for tourists

Clockwise from top - Singer KS Chithra, Ram Vilas Paswan, Shinzo Abe

10K | List of Padma awardees — 2021

The murdered siblings, Alekhya and Sai Divya.

9K | Parents arrested amid high drama for murder of two daughters

Actor Deep Sidhu addresses farmers at Ghazipur border in New Delhi on December 14, 2020.

9K | Republic Day violence | Farmer unions condemn actor Deep Sidhu’s actions