Greek's Bullish Finance Minister

Yes and No protesters are out on the streets in Greece today, as Finance Minister Yanis Varoufakis tells the BBC he is confident that a debt deal will be reached - whatever the result of Sunday's referendum.

The new governor of Kenya's Central Bank who said "no" to a big house and fancy car.

We meet the rats who can diagnose tuberculosis through smell.

(Photo: Greeks prepare for the referendum. Credit: Reuters)