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.
SEBI probe concluded that purported loans and fund transfers were paid back in full and did not amount to deceptive market practices or unreported related party transactions.
Many really smart people now share the position that playing cricket with Pakistan is politically, strategically and morally wrong. It is just a poor appreciation of competitive sport.
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