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Health worker participating in the trial of Covaxin (Image source: PTI)

Phase 1 trial results show Covaxin has tolerable safety, enhanced...

There has been no new data released in the public domain which could demonstrate further safety and efficacy of the...

22 Jan 2021 4:10 PM IST

Light pollution is a menace in the city of Hyderabad which is killing the joy of looking up to the night sky, astronomy enthusiasts and scientists have complained. (Representational Image/PTI)

Hyderabad-'s city lights killing astronomy, enthusiasts, scientists...

Just to witness a full dark sky, one now will have to travel as far as at least a 100 kms away from Hyderabad

21 Jan 2021 1:31 AM IST

A medical worker shows a vial of Covishield vaccine as she prepares to inoculate a medical staff at Rajiv Gandhi Super Speciality Hospital, in New Delhi on January 19, 2021. (AFP)

Covishield not to be taken by those allergic to its ingredients: Serum...

A total of 580 adverse events were reported following immunisation for COVID-19 in the country till 5 pm on Monday

19 Jan 2021 3:28 PM IST

According to the research, a northward shift of the tropical rain belt over the eastern Africa and the Indian Ocean could result in intensified flooding in southern India, and may impact global biodiversity and food security by 2100. (Representational Image/DC)

Climate change may change rainfall patterns in south India, intensify...

The study, published in the journal Nature Climate Change, had examined computer simulations from 27 state-of-the-art...

19 Jan 2021 1:42 PM IST

Humans have hunted Sulawesi warty pigs for tens of thousands of years, and they are a key feature of the regions prehistoric artwork, particularly during the Ice Age. (Photo:AFP)

World-'s oldest known cave painting found in Indonesia

The painting is a life-sized picture of a wild pig that was made at least 45,500 years ago

14 Jan 2021 12:59 AM IST

Despite vaccines, no Covid herd immunity in 2021: WHO

Chief scientist Soumya Swaminathan warned that it will take time to produce and administer enough doses to halt the...

12 Jan 2021 12:32 AM IST

Substantial imprints of aerosols are being noticed over South-East Asia, where extensive amounts of man-made aerosols with complex chemical, physical and optical characteristics are being emitted. Representational image/AP

Decreasing trend in black carbon Aerosol concentrations

Aerosols, the tiny particles suspended in the atmosphere, affect life through adverse health effects and have an...

11 Jan 2021 11:30 PM IST

When the researchers tested the sera of 20 participants who received the Pfizer-BioNTech vaccine they found that it could act against the engineered coronavirus variants. (Photo:AFP)

Pfizer vaccine may protect against new mutations of coronavirus

Owing to the evolution of the coronavirus, scientists have called for the continuous monitoring of changes in the virus...

9 Jan 2021 4:36 AM IST

At least five bar-headed geese that were found dead in Himachal Pradesh have tested positive for bird flu. (PTI)

Good rains increase threat of bird flu in Telangana

Escaping harsh winters in northern homes stretching from Siberia to Afghanistan, bar-headed geese go all the way down...

7 Jan 2021 9:59 AM IST

Representational image of Coronavirus

Air-borne transmission of SARS-Cov2 likely

SARS-Cov2 virus samples found in hospital air of Covid-19 wards; not in non-Covid-19 wards

6 Jan 2021 11:30 AM IST

Prior to arriving in Hyderabad, Modi will visit the facilities of Zydus Cadila in Ahmedabad, where ZyCoV-D is being developed and Serum Institute of India in Pune where the vaccine being developed by AstraZeneca-Oxford would be manufactured.

Covaxin: Last word on efficacy yet to be heard

Doubts raised over clinical trial mode as to why vaccine given permission without completion of human trials

5 Jan 2021 4:00 AM IST

Pausing trials for COVID-19 vaccine of AstraZeneca due to safety concerns is nothing new, scientists said while pointing out that trials are experiments which may or may not work. (AFP)

Vaccine makers call approval a giant leap

SII has stockpiled around 5 crore dosages of the vaccine and aims to produce up to 10 crore per month by March next year

4 Jan 2021 11:14 AM IST