When quantum electrodynamics, the quantum field theory of electrons and photons, was being developed after World War II, one of the major challenges for theorists was calculating a value for the Lamb ...

Based on experiments, the precise 3D structure of the protein ... depending on the presence or absence of a single hydrogen atom on an amino acid side chain, a so-called "nano-switch" mechanism.

Stars are born in stellar nurseries, molecular clouds of cold gas and dust. These clouds contain many times the mass of a ...

The National Medical Commission (NMC) released the NEET UG 2025 syllabus, covering Physics, Chemistry, and Biology. T ...

AT is formed by calculating the total number of vibrations at the resonant frequency of the energy transition between the levels of the hyperfine structure of the ground state of the cesium atom ...

What can quantum chemistry contribute to understanding the telomere hypothesis of aging? It unveils hydrogen-bonding patterns ...

Finalising the syllabus for the National Eligibility-Entrance Test Undergraduate (NEET-UG) 2025 examination, the ...

Heavy water is a form of water with a unique atomic structure and properties ... molecule of heavy water contains two hydrogen atoms and one oxygen atom. The difference, though, lies in the ...

The dot and cross diagram shows that a water molecule is made up of one oxygen atom joined to two hydrogen atoms, so the formula of water is H 2 O. A nitrogen molecule is made up of two nitrogen ...

Zili Wu, leader of the Surface Chemistry and Catalysis Group in the lab’s Chemical Sciences Division, provided details to ...