"Olo" is said to be a saturated blue-green or teal colour - but some say the perception of the colour is "open to argument".

Iran and the US held a second round of talks in Rome, with plans to continue next week, as Tehran seeks a 'comprehensive' deal and maintains strong ties with Russia.

Israeli strikes in Gaza have killed more than 90 people in the past 48 hours, the Hamas-run health ministry in the territory has said.

Relocating for work can be exciting – but once the novelty wears off, how can you avoid the loneliness trap?