Unlike economics, whose sole preoccupation in our finance-obsessed era is the near-term profit motive, history offers a way to place our tiny lifespans in a narrative that spans dozens of generations - perhaps even reaching into a future where capitalism is no longer our dominant form of economic organization.

We can celebrate how far we've come from our sexist past when women and men are equally represented in the pages of science fiction anthologies.

Interstellar' is a thematic sequel to Christopher Nolan's last original film, 'Inception'. It drops us into a dark future full of otherworldly landscapes and time distortions.

Fifty years ago, historians advised politicians and policy-makers. They helped chart the future of nations by helping leaders learn from past mistakes in history. But then something changed, and we began making decisions based on economic principles rather than historical ones. The results were catastrophic.

Politicians usually get the blame for dragging their feet on environmental issues. And fair enough. Most of them do just that. But the blame isn't theirs alone. For politicians afraid of losing votes, a bristling media waiting to transform good green ideas into monsters is a colossal disincentive.

We're really going after truly creating sustainability of a disease-free state, creating a complete system for managing cancer patients for life, so that you can manage from onset of disease all the way through.

As founder and co-chair of the upper Mississippi River Congressional task force, I have long sought to preserve the river's health and historical multiple uses, including as a natural waterway and a home to wildlife, for the benefit of future generations of Americans.

On an increasingly crowded planet, humanity faces many threats - but none is greater than climate change. It magnifies every hazard and tension of our existence.