Surprising Science — March 21, 2014

Why is Space Dark?

The night sky isn’t actually dark to begin with, according to MinutePhysics. Then why does Space at night appear dark to us? Because our universe is constantly changing and expanding, for one thing.

MinutePhysics “sheds some light” on why the night sky is dark, and the answers aren’t as simple as “But the Sun is set!”

Image credit: Scotbot/Flickr

Starts With A Bang

The idea that matter is mostly empty space is mostly wrong

Practically all of the matter we see and interact with is made of atoms, which are mostly empty space. Then why is reality so... solid?

Strange Maps

America’s news deserts are growing

Most counties in the U.S. have only one local newspaper, often one that publishes weekly instead of daily.

Two people walking past a dark brick wall with numerous security cameras pointing in various directions.

The Present

Are smart cities a wise idea?

When Google runs a smart city, who owns the data?

Illustration of a young woman with closed eyes, smiling, next to a large, detailed eye and surrounded by vibrant, abstract elements and smiley faces.

Neuropsych

Eyes wide shut: Why closing your eyes intensifies psychedelic trips

A recent study suggests that exposure to visual stimuli can diminish the effects of psychedelic drugs.

Starts With A Bang

The big idea of Grand Unified Theories of physics

If the electromagnetic and weak forces unify to make the electroweak force, maybe, at higher energies, something even grander happens?

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