References

We pit air purifiers against dehumidifiers to get to the bottom of what each appliance really does.

REFERENCE We take a look at air purifiers vs humidifiers to get a sense of the differences.

Blame plate tectonics for Earth’s mountains, earthquakes, volcanoes, and why its continents fit together like pieces of a giant jigsaw puzzle.

Almost everything you know about the famous Fibonacci sequence is wrong.

If you're looking to make the most of the dark winter nights, Black Friday and Cyber Monday are fantastic times to save money on your next telescope ahead of Christmas.

An almond-shaped structure deep in the brain controls people's feelings of hunger and fullness in an attempt to keep them at a constant body weight. In obesity, its signaling can be disrupted.

REFERENCE We pit air purifiers against ionizers to get to the bottom of what each appliance really does.

Reference Air purifiers are intended to remove pollutants from the air, but how well do they really work?

REFERENCE Can air purifiers help with dust and dust mite allergies?

The use of "anno domini" and "before Christ" to mark time began in the early days of Christianity, when clerics needed to know when Easter would fall.

New scientific techniques are helping us reconstruct people from the past in uncanny detail.

The Nobel Prize in Chemistry includes famous winners such as Marie Curie and Otto Hahn.

An artist's illustration of an artificial neural network.

Here's a look at past winners of the Nobel Prize in Physiology or Medicine.

Although quantum computing is a nascent field, there are plenty of key moments that defined it over the last few decades as scientists strive to create machines that can solve impossible problems.

At the core of a quantum computer is the quantum processor, but these technologies are vastly different from the CPUs found in conventional computers.

People who "choke" under pressure underperform in high-stakes situations out of stress and worry. But what causes this phenomenon?

Cahokia, in modern-day Illinois, was one of the largest cities in the world.

Qubits are the fundamental building blocks of quantum computers — and, when fitted into these machines — rely on the weird laws of quantum mechanics to process calculations in parallel.

REFERENCE Wolf spiders are a large family of hairy and athletic arachnids that chase down prey on the ground rather than catching food in webs.