Guest Thinkers — December 21, 2010

Sundance Film Festival

Nasser Arrabyee, a good friend, is attending the Sundance Film Festival for the film “The Oath” about Yemen’s Guantanamo Bay detainees, as this post on his blog and this article on News Yemen indicate.

You can watch some background from Laura Poitras and find out more about the film here.

Starts With A Bang

Will Musk’s Starlink satellites lead to Kessler syndrome?

Space weather poses a tremendous threat to all satellites, knocking all computer systems offline. Is that a recipe for Kessler syndrome?

A painting showcasing objects within a circular composition.

Business

5 “belonging rules” to help the “moveable middle” thrive

Every organization has a power block of dutiful but unappreciated talent. Here’s an effective plan for engagement.

A picture of a neuron with blue and yellow lights.

Health

Scientists implant brain cells to counter Parkinson’s disease

“I think it has a real chance to reverse motor symptoms, essentially replacing a missing part.”

Two enigmatic jellyfish dancing in the dark.

13.8

What is life? This basic question defies science

The best answer we have is, "Life is matter with intentionality."

Hard Science

Particle physicists prove that antimatter doesn’t “fall up”

Sci-fi enthusiasts have long hoped that a substance called antimatter might experience gravity opposite that of ordinary matter. It doesn't.

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