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.

China’s ambitious urbanization program stands out in today’s world. But a Renaissance painting offers a surprising warning against overreach. Can our cities fail?

We live at the dawn of a new “Enlightenment.” Only this one has little to do with reason and rationalism.

In the face of mounting threats to humanity’s continued existence on Earth, scientists are proposing various solutions. But they all seem to be overlooking one fundamental problem.

Fifty years after one of the shortest wars in history, the world feels its far-reaching effects more than ever.

A passionate proponent of living simply and in harmony with nature, Thoreau is remembered today as a pillar of the modern conservation movement.

Rebuilding the world economy on a more sustainable model is a daunting task. It has to start with you and me—and at that level, it isn’t so hard after all.

Insight Video: Many scientists are warning that the human footprint is one of indiscriminate destruction and possibly irretrievable loss. Are our days numbered?

Insight Video: Is the present century humanity’s last? It’s a growing concern for many.

Insight Video: We’ve entered the age of post-truth—where objective facts carry less weight than emotions and opinions. Is truth obsolete?