A University of Tokyo study suggests ancient eruptions enriched oceans with nutrients, causing brief oxygen spikes long before the Great Oxidation Event.
Oxygen produced in the absence of sunlight is called ‘dark oxygen’. The discovery calls into question how life on Earth began. Also, dark oxygen can support seafloor ecosystems.
Tectonic plate movement could have provided oxygen to some of world's earliest life forms, suggests study by scientists at Newcastle University, UK, published in Nature Communications.
There are 3,756 PSA plants already commissioned across the country with a daily capacity of 18,000 metric tonnes (MT) of oxygen, but demand remains low at about 200 MT.
A sub-group constituted by the SC to audit oxygen consumption at the hospital in the national capital has said that Delhi govt 'exaggerated' consumption of the life-saving gas.
Deputy CM Manish Sisodia said AAP govt spoke to members of SC-appointed committee who said they didn't sign or approve any report about Delhi's oxygen need during second Covid wave.
The real acrimony in Goa is against tourists and wealthy land buyers from Delhi, Mumbai, and Bengaluru. Yet, the fury gets channelled downward against the poorest workers from the cowbelt.
Open to public feedback until 26 November, the revised guidelines, among other changes, give CA firms more flexibility to advertise & promote their services.
Bihar is blessed with a land more fertile for revolutions than any in India. Why has it fallen so far behind then? Constant obsession with politics is at the root of its destruction.
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