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A healthcare worker holds a vial with single-dose Sputnik Light Covid-19 vaccine. (Photo: AFP)

Booster dose of six Covid vaccines safe, increases immunity: Lancet...

Two doses of AstraZeneca and Pfizer vaccines have shown 79 per cent and 90 per cent protection

3 Dec 2021 6:23 AM

Employees pack boxes containing vials of Covishield, a version of the AstraZeneca vaccine, at the Serum Institute of India in Pune. (Photo: AP)

Trigger of rare blood clots linked with AstraZeneca Covid vaccine...

Researchers worked with AstraZeneca to analyse whether the ultra-rare side effect could be linked to the viral vector

2 Dec 2021 10:29 AM

A representative picture of the Covid 19 variant

Covid long-haulers may experience abnormal breathing, chronic fatigue:...

The researchers noted that many COVID-19 patients have reported persistent symptoms after they recover

30 Nov 2021 7:29 AM

Passengers, some wearing face coverings to combat the spread of Covid-19, travel on the London underground in central London. (Photo: AFP)

Not yet clear if Omicron more transmissible, causes severe disease,...

The WHO said all variants of COVID-19, including the Delta variant, can cause severe disease or death

29 Nov 2021 2:30 AM

A representative picture of the Covid 19 variant

Omicron brings back pandemic fears

Scientists and doctors are on alert as the global fear of another virus surge seems apparent

28 Nov 2021 1:41 PM

The team discovered an exoplanet 1.4 times the size of Jupiter. (Photo: ANI/Representational Image)

Indian astronomers discover a new exoplanet and rare stars hotter than...

The first discovery was made by a team from Ahembdabad's Physical Research Laboratory (PRL) recently

26 Nov 2021 4:53 AM

A medic shows a vial of the Sputnik V coronavirus vaccine during its launch in Gurugram. (Photo: PTI/File)

COVID-19 vaccine gets weak antibody response in people on...

The findings of the study were published in the journal 'Med'

22 Nov 2021 11:09 AM

Recent research has highlighted the significance of the tumour suppressor protein PTEN that can increase your health span. (Photo: Representational)

Research finds how to increase life span

The study was conducted under Professor Seung-Jae V. Lee from the Department of Biological Sciences

21 Nov 2021 8:58 AM

According to the world light pollution map, the location of the Rangapur Observatory falls in a rural/suburban transition sky, where the galaxy M33 in Triangulum, a key indicator of sky conditions visible to the eye is difficult to see.

Indian scientists discover star-planet bigger than Jupiter

The star is known as HD 82139 as per the Henry Draper catalogue and TOI 1789 as per the TESS catalogue

17 Nov 2021 12:33 PM

Chandrayaan-2, aimed at landing a rover on unchartered Lunar South Pole, was launched on July 22, 2019. (PTI file image)

Chandrayaan performs evasive manoeuvre to avoid collision with NASA's...

The CAM was executed nominally at 14:52 UTC (8:22 pm IST), on October 18

17 Nov 2021 12:21 PM

Students wearing masks sit inside a classroom as schools reopened in Kochi, Kerala. (Photo: AP)

Delta remains main Covid variant of concern, others negligible in...

Delta, which was first detected in India in October last year, led to the devastating second wave

11 Nov 2021 11:14 AM

Microplastics can be carried hundreds or thousands of miles away from the source by ocean currents. (Photo: PTI/File)

COVID-19 pandemic generated 8 million tonnes of plastic waste: Study

Research found a portion of this ocean plastic debris is expected to make its way onto either beaches or the seabed...

10 Nov 2021 6:45 AM