Mesa Verde National Park

Why Did They Leave the Pueblos?

The Ancestral Puebloans were driven from their homes in the American Southwest by a combination of factors rather than a single cause.
Wilbur, left, and Orville Wright sit on the porch steps of their Dayton, Ohio, home in June 1909.

The Wright Brothers: Babysitters Extraordinaire

Wilbur and Orville Wright may not have been “first in flight,” but they were first in taking care of their nieces and nephews on the weekends.
Site of Thoreau's Hut, Concord, Mass

Using Thoreau’s Notebooks to Understand Climate Change

Thoreau's time at Walden Pond has provided substantial data for scientists monitoring the effects of a warming climate on the area's plant life.
An illustration of digital viruses

Do Viruses Cheat to Win at Evolution?

How one pair of researchers used game theory to predict the sneaky, underhanded behavior of microbial competitors.
Atlantic horseshoe crab (Polyphemus occidentalis) illustration from Zoology of New york (1842 - 1844) by James Ellsworth De Kay (1792-1851).

The Horseshoe Crab: Same as It Ever Was?

The seemingly static appearance of these ancient-looking arthropods presents a challenge for scientists who want to study their evolutionary history.
Francesca Vidotto

Francesca Vidotto: The Quantum Properties of Space-Time

Theoretical physicist Francesca Vidotto on feminist epistemology, white holes, string theory, and her book (with Carlo Rovelli) on loop quantum gravity.
Gif og a woman alseep on a white sheet with clocks blinking in and out of sight

What Is Chronobiology?

Does it explain why we’re having so much trouble sleeping?
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?
Binocular-framed view of Tweety Bird who is also holding a pair of binoculars

The Tweety Bird Test

How a classic Tweety Bird cartoon became a mainstay in linguistics research.
The number 2

The Quantum Random Number Generator

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