Insight Video: Our food supply may well become the greatest challenge of the century. And directly linked to it are dwindling global water reserves. Will we have enough of either to survive? Each of us holds the key.

Politicians often promise change, yet they seldom deliver. Still, we keep hoping that next time will be different. It’s a vain hope, and here’s why.

Africa’s population boom makes it ripe for commercial exploitation, and foreign investors have been quick to spot the opportunity. How does Africa’s future look?

Coming to grips with the reality of a world freighted with sorrow, betrayal and disappointment means confronting not only the failures of those we’ve trusted but also the part we play.

David Hulme interviews Australian science writer and author Julian Cribb about what it will take for the human race to make it through this century.

The food we produce today could adequately feed the world, yet we throw it away by the tons. Not only do millions go hungry as a result, but our wastefulness has a direct environmental impact.

With the world’s number-one virtual currency so much in the headlines and yet so little understood, it’s a good time to look at its origin, volatile price—and surprising environmental implications.

Insight Video: Why has no nation, until now, been willing to declare Jerusalem the capital of the modern state of Israel? A brief look at history provides the answer.

If you believe life on this planet will go on indefinitely, then your brain may be playing tricks on you. How can we see beyond what we think we know?

Insight Video: The human brain is easily fooled into believing things that simply aren’t true. When it comes to life-and-death issues, that can be disastrous.

Are you deluding yourself to death? Unlike illusions, which are rarely dangerous, delusions—including self-delusions—may well kill you.

Immortality may not be an option, but can degeneration and the terrors of aging be lessened or even eliminated? These authors think so.

We all know we have a “body clock” and that it’s slowly winding down. But researchers are learning more about just what that means.

Neurobiologist Michael Fossel explains how people’s healthy life spans can be extended and how he believes Alzheimer’s will soon be cured.

Insight Video: What do modern Zionism and the Christian evangelical movement have to do with the Six-Day War of 1967? And why does it matter?

Insight Video: The 1967 war between Arabs and Israelis lasted only six days, but its effects have reverberated ever since and have affected us all in various ways.

What happens when critical technology fails? Engineering physics professor Peter Townsend speaks with Vision publisher David Hulme.

We’re all egocentric by nature. In the interest of healthy relationships, here’s how to overcome this destructive human tendency.

What kind of future can we look forward to if war becomes indistinguishable from a game?

In an age when human survival seems to be hanging in the balance, cosmologist Martin Rees speculates on our collective future.