Science & Tech

How Do Black Holes Really Work?

What is really going on inside of those terrifying faraway entities?

LIGO/T. Pyle
The History of Artificial Intelligence
A survey of important events and people in the field of AI, from the early works of British logician Alan Turing to advancements at the turn of the 21st century.
© Fine Art Images—Heritage Images/age fotostock

Editor's Picks

How Much Water Should a Person Drink in a Day?
On average, women need to consume about 11 cups of water to stay hydrated each day, while men require approximately 15 cups.
epistemology
Epistemology, the philosophical study of the nature, origin, and limits of human knowledge. The term is derived from the Greek epistēmē (“knowledge”) and logos (“reason”), and accordingly the field is sometimes referred to as the theory of knowledge. Epistemology has a long history within Western
How Fast Is the Universe Expanding?
Learn why the Hubble constant doesn’t seem to be very constant.
6 Amazing Facts About Gravitational Waves and LIGO
Catch a gravitational wave or two.
nanotechnology
Nanotechnology, the manipulation and manufacture of materials and devices on the scale of atoms or small groups of atoms. The “nanoscale” is typically measured in nanometres, or billionths of a metre (nanos, the Greek word for “dwarf,” being the source of the prefix), and materials built at this
6 Questions About DNA Answered
Important questions asked and answered, briefly.
deepfake
Deepfake, synthetic media, including images, videos, and audio, generated by artificial intelligence (AI) technology that portray something that does not exist in reality or events that have never occurred. The term deepfake combines deep, taken from AI deep-learning technology (a type of machine
What Causes the Northern and Southern Lights?
What causes the auroras—that is, the northern lights and the southern lights?

Spotlight: Mummification

A team of scientists recently recreated the face of Peru's most famous mummy, "Juanita," or the "Ice Maiden." The girl is thought to have been sacrificed when she was between the ages of 13 and 15 some 500 years ago. Mummified by centuries of ice and snow, the body was well-preserved and is just one example of how mummification can occur naturally.

Quizzes

Name That Magnified Object!
Can you figure out what these common items are when they're extremely magnified?
Guess the Body Part Quiz
Taking this quiz requires guts.
Name That Thing: Science
Do you know the difference between a protractor and a compass?
Guess the Animal Eyes Quiz
Can you tell these creatures just by looking at their peepers?

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Do different parts of the tongue taste different flavors?
Do different parts of the tongue taste different flavors?
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