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 Quantum Random Number Generator
It’s real. And it will use quantum entanglement to generate true mathematical randomness. Here’s why that matters.
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?
The “Real” Warp Drive
Sure, it sounds like science fiction. But some researchers suggest that warp drives might actually be a possibility.
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.
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.
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, Dinosaur Tree
The Wollemi Pine is an ancient tree, virtually unchanged since herbivorous dinosaurs last munched on them.