Science, founded by Thomas A. Edison in 1880 and published by AAAS, today ranks as the world's largest circulation general science journal. Published 51 times a year, Science is renowned for its ...

An element's atomic number defines it. An element with 17 protons will always be chlorine. However an element's mass numbers can vary, which means that it can have different numbers of neutrons. So ...

Nickel-cobalt metal dimer on nitrogen-doped carbon can catalyze electrolysis under both acidic and basic conditions. The limited reservoir of fossils fuels and the ever-increasing threats of climate ...

Get NCERT Class 9 Science Chapter 4 Structure of the Atom in PDF from this article. We have provided here the latest edition of the chapter for the current academic year. Students must read this ...

Early studies of enzyme-catalysed hydride transfer reactions indicated kinetic anomalies that were initially interpreted in the context of a 'tunnelling correction'. An alternate model for tunnelling ...

Anchoring single metal atoms on ultrathin supports improves catalyst efficiency and stability, making hydrogen production cleaner, more scalable, and less dependent on scarce metals. (Nanowerk ...

The limited reservoir of fossils fuels and the ever-increasing threats of climate change have encouraged researchers to develop alternative technologies to produce eco-friendly fuels. Green hydrogen ...