Guest Thinkers — February 16, 2011

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According to Feedburner, here are the subscriber numbers for Dangerously Irrelevant for the past 7 days. Either Feedburner’s got a glitch in its monitoring/reporting or people are finally discovering my brilliance (it’s about time!). Anyone else seeing this?

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Starts With A Bang

The 6 strongest materials on Earth are harder than diamonds

For millennia, diamonds were the hardest known material, but they only rank at #7 on the current list. Can you guess which material is #1?

A green planet with rings is shown against a starry black background, with shadowy humanoid figures visible inside the planet’s outline.

The Past

Aliens, everywhere: Why scientists once assumed every planet was inhabited

Long before the search for biosignatures, scientists imagined a cosmos teeming with intelligent life.

Illustration of a large particle accelerator facility underground, with scientists working and a city landscape above ground.

Starts With A Bang

A new collider can teach us about the origin of matter

The laws of nature are almost perfectly symmetric between matter and antimatter, and yet our Universe is made ~100% of matter only. But why?

An artist's rendering of an alien planet and a red star.

Starts With A Bang

The evidence for biosignatures on K2-18b is flimsy, at best

A Cambridge-based team claims to find molecules on an exoplanet that are only produced by life on Earth. Don’t fall for the unfounded hype.

Starts With A Bang

Ask Ethan: What right do we have to colonize other worlds?

In all the known Universe, Earth is the only planet known to have native life. What should guide us in expanding humanity beyond our world?

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Does ASCD EDge have a chance?

I usually am pretty impressed with the Association for Supervision and Curriculum Development (ASCD). I find that its books typically are of high quality. One of the best conferences I ever […]