Which Joe gave his name to ‘sloppy joes’? We look at five interesting sandwiches and their lexical origins.
A large, transparent, thick-walled cell found in the filaments of certain blue-green algae and in certain fungi.
- ‘In the 1970s, purified heterocysts from this strain were used to demonstrate that they are the sites of aerobic nitrogen fixation.’
- ‘These heterocysts develop from vegetative cells in a regular pattern along the filament.’
- ‘In the case of fixed nitrogen deprivation the bacteria will produce heterocysts at regular intervals, usually around ten cells apart, along the filament.’
- ‘During growth the number of vegetative cells is increased by cell division and the space between heterocysts becomes larger.’
- ‘Nitrification cannot occur in the presence of oxygen, so nitrogen is fixed in specialized cells called heterocysts.’
We take a look at several popular, though confusing, punctuation marks.
From Afghanistan to Zimbabwe, discover surprising and intriguing language facts from around the globe.
The definitions of ‘buddy’ and ‘bro’ in the OED have recently been revised. We explore their history and increase in popularity.