Which Joe gave his name to ‘sloppy joes’? We look at five interesting sandwiches and their lexical origins.
A weak bond between two molecules resulting from an electrostatic attraction between a proton in one molecule and an electronegative atom in the other.
- ‘The two electronegative atoms involved in a hydrogen bond are not bonded covalently; they are non-covalent, electrostatic partners.’
- ‘Breaking a single hydrogen bond may impair the stability of a protein.’
- ‘This is consistent with a structure that has lost the intramolecular hydrogen bond.’
- ‘Each hydrogen bond between molecules is much weaker than the covalent bonds holding the atoms together within the molecule.’
- ‘Compared to say, a covalent bond, a hydrogen bond is approximately one tenth of that strength.’
Are you looking for a word for a foolish person? We explore twelve interesting words to describe the dunderheads in your life.
Before you run for the hills, let’s run through a list of ‘run’ expressions that are running through our minds.
The definitions of ‘buddy’ and ‘bro’ in the OED have recently been revised. We explore their history and increase in popularity.