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A health worker prepares a dose of the Covishield vaccine against the Covid-19 coronavirus, at a vaccination centre in Rajawadi Hospital in Mumbai. (Photo: AFP)

Mix-and-match vaccines highly effective against COVID-19: Lancet study

Past studies have demonstrated that mix-and-match vaccine schedules generate a robust immune response

18 Oct 2021 12:46 PM IST

The genetic material putting the tribal populations at higher risk of Covid infection is present due to their system of descent from the same ancestors, via marriages. (PTI file photo)

Tribal population more susceptible to Covid19 due to special genes

Absence of diversity in genes as they do not marry from outside, says study

14 Oct 2021 12:30 AM IST

A national library employee shows a gold Nobel Prize medal in Bogota, Colombia. The Nobels, with new winners announced starting Monday, Oct. 5, 2020, often concentrate on unheralded, methodical, basic science. (AP File)

Nobel Prize in chemistry honours pair for new way to make molecules

The winners were announced Wednesday by Goran Hansson, secretary-general of the Royal Swedish Academy of Sciences

6 Oct 2021 5:18 PM IST

The longest lasting tool-making tradition in prehistory is known as the Acheulean. (Photo: MET Museum)

India hosted youngest populations of 'Acheulean' human ancestors:...

The study shows the presence of Acheulean populations until about 177,000 years ago

6 Oct 2021 12:38 PM IST

US-Japanese scientist Syukuro Manabe, Klaus Hasselmann of Germany and Giorgio Parisi of Italy on Tuesday won the Nobel Physics Prize for climate models and the understanding of physical systems. (Photo:AP)

Nobel Physics Prize honours climate work

US-Japanese scientist Syukuro Manabe, Klaus Hasselmann of Germany and Giorgio Parisi of Italy won the Nobel Physics...

5 Oct 2021 10:41 PM IST

A national library employee shows a gold Nobel Prize medal in Bogota, Colombia. The Nobels, with new winners announced starting Monday, Oct. 5, 2020, often concentrate on unheralded, methodical, basic science. (AP File)

Nobel physics prize goes to 3 for climate discoveries

The winners were announced Tuesday by Goran Hansson, secretary-general of the Royal Swedish Academy of Sciences

5 Oct 2021 4:51 PM IST

In this photo, a nurse reaches for a vial of Pfizer-BioNTech Covid-19 vaccine at a pop up vaccine clinic. (Photo: AFP)

Pfizer vaccine highly effective against Covid hospitalisations for six...

The study underscores the importance of improving COVID-19 vaccination rates worldwide

5 Oct 2021 1:24 PM IST

Storm like weather conditions near Howrah Bridge due to formation of Cyclone Yaas in the Bay of Bengal, in Howrah, Monday, May 24, 2021. (PTI Photo)

Adverse weather may be forecast 520 years' ahead

Decadal prediction is a newly emerging field for forecasting climate for 5-20 years

5 Oct 2021 1:53 AM IST

US scientists David Julius and Ardem Patapoutian won the Nobel Medicine Prize for discoveries on receptors for temperature and touch. (Photo:AFP)

Nobel Prize honors discovery of temperature, touch receptors

David Julius and Ardem Patapoutian focused their work on the field of somatosensation

4 Oct 2021 11:48 PM IST

A scientist in a laboratory

The pandemic's silent saviours

We salute the scientists who've been working behind the scenes, combating the coronavirus

1 Oct 2021 7:42 PM IST

Electron microscope image made available by the U.S. National Institutes of Health in February 2020 shows the Novel Coronavirus SARS-CoV-2, yellow, emerging from the surface of cells, blue/pink, cultured in the lab. (AP)

New drug combination found effective against coronavirus infection:...

Early test results found that the combined use of nafamostat and Pegasys meets all availability and efficacy...

1 Oct 2021 12:17 PM IST

At 559 feet (170.5 meters), the median depth of a breach river valley is more than twice that of other river valleys created more gradually over time, which have a median depth of about 254 feet (77.5 meters). (Representative Image: ANI)

Mars' surface shaped by fast, furious floods from overflowing craters

Remote sensing images taken by satellites orbiting Mars have allowed scientists to study the remains of breached Martian...

30 Sept 2021 4:08 PM IST