There are hardly any apprenticeships in care; hardly any schools preparing teenagers for jobs in care; and few signs that politicians know what to do to raise the status and rewards for what will soon be one of our most important industries.

Spreading an idea is hard work.

Huge sums are invested globally in medical research and development - and with good reason.

The biggest barrier to dealing with climate change is us: our own attachment to habits that are hard to shift, and our great ability to park or ignore uncomfortable choices.

As with products on supermarket shelves, the public has a right to know where their financial products and services come from.

The once-science-fiction notion of hyper-connectivity - where we are all constantly connected to social networks and other bubbling streams of digital data - has rapidly become a widespread reality.

Cities simply don't have the powers they need to radically innovate in cutting obesity or the number of disaffected teenagers.