Snowmen wearing the world’s flags at Davos 2015.

An evergreen joke among speakers at the World Economic Forum’s annual meeting in Davos warns against making predictions. Whatever you say, the punchli(...)

Microsoft founder and philanthropist Bill Gates cheered us up by drinking water that moments before had been a pile of faeces. Watching Mr Gates drin(...)

In his book, “Capital in the Twenty-First Century” Thomas Piketty examined centuries of data on countries including the US, Sweden, France and the UK to show that returns on capital in excess of economic growth lead to widening disparities in wealth. (Photograph: Bart Matt/EPA)

Thomas Piketty, the French economist whose best-selling book has added tinder to the debate on income inequality, counts the world’s richest person am(...)

 Uber may possibly end up justifying its huge valuation but the same “ubernomics” is being applied across the board, even though many start-ups will not succeed. (Photograph: Andrew Matthews/PA Wire)

The $41 billion valuation for the car-sharing service Uber may or may not be a bubblicious number, but it certainly shows that the venture capital ind(...)

Planet Business

Image of the week: HRH corruption hunter Being second in line to the British throne isn’t all handshakes and banter with sports stars and hangi(...)

Sal Khan, who set up the Khan Academy’s first non-digital school 10 months ago and believes pupils should not be segregated on the basis of age

Sal Khan is revolutionising education. The motto of the Khan Academy, the online school he founded pretty much by accident, is: “A free, world-clas(...)

Good example: Khadija Niazi at Davos – the 12-year-old from Pakistan became the youngest person ever to complete Udacity’s online physics course, passing with highest distinction

By the year 2020, one-third of all graduates worldwide will be from China and India, according to Emma Birchall, head researcher at the UK-based Futur(...)

Don Tapscott: “ I think there is a crisis of legitimacy about democratic institutions.” Photograph: Ana Grillo

Perhaps nothing puts Don Tapscott’s deeply influential 1995 book The Digital Economy in context better than a story he tells in his new introduction t(...)

A grasshopper burger: the UN has been encouraging the use of insects in food, highlighting their nutritional value and affordability. Photograph: Karen Bleier/AFP/Getty

It’s always fun to imagine what we might be eating in the future. Will we sit down to meat that has been grown in a lab? Will there will be a bowl (...)

The new lithium battery  promises to solve two of the biggest grumbles about electric cars - high prices and low driving ranges. It’s headed for production in just over a year.

A new battery that promises to solve two of the biggest grumbles about electric cars - high prices and low driving ranges - is headed for shop floors (...)