Virgin Australia has confirmed that its partner in its Velocity frequent flyer and loyalty program wants dump its entire stake in the business, putting a stockmarket float firmly on the cards.  

The media heir will have a new tech venture to discuss when he joins the other billionaires milling about at the annual Allen & Co. retreat in Idaho next month.

As world leaders meet for the G-20 summit in Japan, it's clear that radical steps may be the only chance to save capitalism and democracy.

It's not too hard to imagine a vicious cycle in which hot weather begets more demand for air con, and thus for power. That in turn means more emissions, which lead to hotter temperatures.

The software blamed for the Lion Air and Ethiopian Airlines disasters was developed at a time Boeing was laying off experienced engineers and cutting costs.