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Music of Sleep and Dreams

Sleep and music share a strange, elusive magic—both shape our...

A black alarm clock with headphones on a blue background

The Morrigan: The Nightmare Queen

The Morrigan functions today largely as the supreme dark Celtic...

A woman in dark attire with a feathered collar holds a skull, while a large black bird flies above her

The Shape of Knots: From DNA to Shoestrings and Solar Flares

Knots are ubiquitous in the world around us, appearing as...

A close-up of a thick, white, coiled rope with a blue stripe

Pluto Isn’t a Planet

In 2006, the International Astronomical Union adopted a definition of...

A detailed image of the dwarf planet Pluto

The White Knight: Ice

The polar regions are still some of the most inaccessible...

A large, textured tabular iceberg floats in blue water, with smaller ice fragments nearby

Should We Manipulate People’s Emotions?

We think of emotions as being central to our characters...

A hand manipulates a wooden puppet with strings

How Hard is too Hard? An Introduction to Complexity

Some mathematical problems can easily be solved on a computer...

Robot model holding pen writing P=PN

How Hard is too Hard? An Introduction to Complexity

Some mathematical problems can easily be solved on a computer...

Silhouette of a person writing mathematical equations on a whiteboard

Dionysus: Lord of Misrule

The ancient Greeks themselves were never comfortable about their god...

Illustration of a reclining classical figure with draped cloth and a lyre

The Sky at Night, Tonight: A New View of the Changing Sky

On a remote mountain top in Chile, scanning the sky...

The Vera C. Rubin Observatory illuminated at night under a sky filled with the Milky Way galaxy