Enhanced oil recovery with nanoparticles

A mixture of nanoparticles and water can be used in the nano-water alternating gas approach (NWAG) to enhance oil recovery from an oil field. Now, the wettability of rock, relative permeability curves, and the interfacial ...

India's billion-strong biometric database

More than a billion Indians have uploaded their biometric details to a national database in exchange for a unique 12-digit ID that authorities say will transform how citizens interact with government and propel the world's ...

Urea-absorbing ability of giant clams

NUS biologists have discovered that the fluted giant clam absorbs urea from its surroundings and the absorption rate is enhanced by exposure to light.

Cash, carbon, crude—how to make oil fields bury emissions

In February 2018, Donald Trump signed into law new tax credits that reward oil companies for capturing carbon dioxide and preventing it from entering the atmosphere – either by burying the gas underground or by pumping ...

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