University of Oxford's Prof Peter Edwards - an expert in inorganic chemistry and energy - also expressed doubts.

BBC: Super-powered battery breakthrough claimed by US team

In my discipline, for example, each school differs slightly on how to teach general chemistry, varies in where inorganic chemistry is placed in the plan of study, and has different laboratory equipment and thus varying lab curricula, etc.

FORBES: Walmart State College

For relatively poor countries with insufficient organic and inorganic deposits in their soils, the phytochemistry and the chemistry of natural products offer a chance to develop a sound economy based on knowledge with high added value.

UNESCO: SEE PhytoChemNet - Southeast European Network on Phytochemistry and Chemistry of Natural Products for Green and Sustainable Growth | United Nations Educational, Scientific and Cultural Organization