White matter fibres

Can Zapping Your Brain Really Make You Smarter?

Early scientific results on transcranial direct current stimulation (tDCS) show promise, but are they enough to support a multi-billion-dollar industry?

The Tweety Bird Test

How a classic Tweety Bird cartoon became a mainstay in linguistics research.

The Quantum Random Number Generator

It’s real. And it will use quantum entanglement to generate true mathematical randomness. Here’s why that matters.
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.