All Videos — May 17, 2011

The O’Neill Colony: Our New Home Away from Home

A weekly newsletter featuring the biggest ideas from the smartest people

Humanity is on the verge of making the transition off of Earth, making physicist and space activist Gerard K. O’Neill’s vision of space colonies ever closer to reality.

A weekly newsletter featuring the biggest ideas from the smartest people

Interior of a particle physics laboratory showing a complex particle accelerator setup with multiple cables, detectors, and machinery designed to study glueball particles.

Starts With A Bang

What do unexpected experimental results actually tell us?

Scientific surprises, driven by experiment, are often how science advances. But more often than not, they’re just bad science.

A black and white image of a curled fern leaf is centered on a black background with faint, star-like specks, capturing an ethereal beauty reminiscent of Sara Walker's scientific explorations.

13.8

A bold challenge to the orthodox definition of life

In “Life As No One Knows It,” Sara Imari Walker explains why the key distinction between life and other kinds of “things” is how life uses information.

Starts With A Bang

Ask Ethan: Why don’t we feel the Universe’s expansion accelerating?

The Universe isn’t just expansion, but the expansion itself is accelerating. So why can’t we feel it in any measurable way?

Image with a split view: the left half shows a black-and-white image of Earth, the right half depicts a grayscale crowd scene. Text overlay: "More Humans Are Better," with the number "3" in the top right corner.

The Present

The overlooked virtues of a crowded world

In a world of rising cynicism, a celebration of our capacity to create, adapt, and thrive.

A collage featuring a detailed hand drawing, a scientific diagram of a circular interconnected pattern, and a black and white diagram resembling a microorganism on a blue background.

Life

“Life does not exist”: The deceptively tricky task of defining life

“What modern science has taught us is that life is not a property of matter.”

Up Next

Guest Thinkers

More Thoughts on SlutWalk

As more and more SlutWalk marches against sexual violence and victim blaming take place across the country and overseas, the movement is attracting criticism from some feminists who regard the […]