Untitled by Ann McCoy and Untitled by Larry Bell

The Rise and Fall of Hologram Art

Major artists like Roy Lichtenstein and Louise Bourgeois have experimented with holography, but it has yet to be taken seriously as an art form.

Kuiper Belt Objects Are as Mysterious as They Are Distant

Recently the New Horizons spacecraft made the first flyby of a Kuiper Belt Object (KBO) in the extreme outer solar system. What do we know about KBOs?
An artist's rendering of space travel

The “Real” Warp Drive

Sure, it sounds like science fiction. But some researchers suggest that warp drives might actually be a possibility.
A flood in St Mark's Square in Venice

Our Sinking Cities

From Venice to Tehran to Shanghai, many cities are steadily sinking into the earth. There might not be any way to stop it.
A piece of polished amber

Facts and Fancies About Amber

It's taken scientists a long time to figure out what amber is made of, and what we can learn from it.
Composite image of Dmitri Mendeleev, a periodic table, and the Milky Way galaxy

How Far Does the Periodic Table Go?

Efforts to fill the periodic table raise questions of special relativity that “strike at the very heart of chemistry as a discipline.”
Wollemi Pine

Wollemi Pine, Dinosaur Tree

The Wollemi Pine is an ancient tree, virtually unchanged since herbivorous dinosaurs last munched on them.
Underwater view of two technical divers using rebreathers device to locate shipwreck, Lombok, Indonesia

The Science Behind Decompression Sickness

Deep-sea divers now know how to avoid "the bends." But decompression still poses a problem when studying marine organisms from the deep.
King Tut Mummy

The Many Modes of Mummification

From Egypt to East Asia, ways of making mummies have varied. Sometimes, as a recent find reveals, mummification happens completely by accident.
French Revolution Calendar

Why the French Revolution’s “Rational” Calendar Wasn’t

What ever happened to "the most radical attempt in modern history to challenge the Western standard temporal reference framework?"