Oceans are heating up

The mixed layer of the ocean which blankets the top 20 to 200 metres is becoming thinner each year, says a new study which warns that the continued loss of this buffer may lead to more frequent and destructive warming events such as marine heat waves. Continue Reading

Does ventilation affect Covid transmission risk?

Researchers have developed a new online tool that can calculate the risk of Covid-19 transmission in poorly-ventilated places, showing that when two people are in such spaces and neither is wearing a mask, prolonged talking is far more likely to spread the novel coronavirus than a short cough. Continue Reading

Scientists find link between mutation rate and size

Researchers have found a link between mutation rate—how quickly the DNA sequence changes—and genome size. Continue Reading

Tamilnadu CM greets Abhijit Banerjee, Esther Duflo on Nobel win

Chief Minister Edappadi K Palaniswami today congratulated Indian-American Abhijit Banerjee and his wife Esther Duflo for winning the 2019 Nobel Economics prize, and recalled the State government’s association with the organisation they are involved. Continue Reading

India-Pakistan nuclear war may kill 125 mn people: Study

As many as 125 million people may die immediately if India and Pakistan engaged in a nuclear war, and plunge the world into a ”nuclear winter” that could lead to global climate catastrophe, according to a study. Continue Reading