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.
Rosneft, the Russian state-owned oil behemoth, has large interests in India. Reliance has a contract to purchase 500,000 barrels of crude per day from the firm.
Fresh details of operation conducted by IAF, Army have come out in gazette notification giving citations of those who were awarded Vir Chakra for their bravery.
Education, reservations, govt jobs are meant to bring equality and dignity. That we are a long way from that is evident in the shoe thrown at the CJI and the suicide of Haryana IPS officer. The film Homebound has a lesson too.
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