Guest Thinkers — September 1, 2010

Klyuchevskoy shows some new features

A weekly newsletter featuring the biggest ideas from the smartest people

Klyuchevskoy has already had a busy year and now we have some recent photos showing a lava flow that is snaking down the side of the volcano. The website with the lava flow image has a pile of other great eruption photos of Klyuchevskoy over the last couple of years and well worth the time to look through them all – the volcano is definitely one of those classic arc volcanoes in both shape and activity.

A weekly newsletter featuring the biggest ideas from the smartest people

Collage of social media icons and pixelated images in a grid layout, featuring Twitter, Instagram, and Facebook logos on a red background.

The Present

Internet freedom is fading in the new era of social control

“The evolution of digital media makes stricter regulation of online behavior not only feasible but inevitable,” writes media ecologist Andrey Mir.

Starts With A Bang

Ask Ethan: Is antigravity even possible?

Humans, when we consider space travel, recognize the need for gravity. Without our planet, is artificial or antigravity even possible?

Illustration of human evolution with silhouettes of ape to human walking against an abstract background with swirling red and white patterns.

The Past

A new spin on the “Stoned Ape Hypothesis”

The controversial theory about magic mushrooms and human evolution gets a much-needed update.

Map showing tidal ranges in northern Europe. Notable locations include Severn Estuary, Mont Saint Michel Bay, and Gibraltar. Depths indicated in meters and feet.

Strange Maps

Hell or high water: The wonders and dangers of Earth’s tidal ranges

Great tidal ranges are relatively rare on a global scale — and can be very deadly to the unsuspecting foreshore walker.

Silhouette of NASA's Europa Clipper spacecraft with antennas poised against a colorful planetary surface, sparking dreams of alien life.

Starts With A Bang

How NASA’s Europa Clipper helps the hunt for alien life

Could life be widespread throughout the cosmos, in the subsurface oceans of ice-covered worlds? NASA’s Europa Clipper mission investigates.

Up Next

Guest Thinkers

Keeping an eye on Redoubt

nn Redoubt Volcano, in Alaska, is one of the more troublesome volcanoes in the state. Not only is it relatively close to population centers, but it also lies directly within […]