Science & Tech

Periodical Cicada, Adult, Magicicada spp. Requires 17 years to complete development. Nymph splits its skin, and transforms into an adult. Feeds on sap of tree roots. Northern Illinois Brood. This brood is the largest emergence of cicadas anywhere
Why Do Some Cicadas Appear Only Every 17 Years?

The 17-year cicadas are species of periodical cicadas, a group of homopterans with the longest known insect life cycle.

© Ed Reschke-Stone/Getty Images
Background: abstract bubble planets with clouds. astrology, astronomy, atomosphere, big bang, bubbles, fantasy, future, galaxy, universe, stars
© Kim D. French/
9 Ghostly Planets

What ever happened to the ghost planets, those worlds that never existed or once were but are no longer?

© Kim D. French/

Editor's Picks

Illustration for Demystified "Spontaneous human combustion".
Is Spontaneous Human Combustion Real?
Some of the most famous authors have written about it. But does anyone actually disappear in a puff of smoke?
TikTok account featuring a deepfake of Keanu Reeves
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
DNA helix in a futuristic concept of the evolution of science and medicine.
6 Questions About DNA Answered
Important questions asked and answered, briefly.
Man and woman with substance induced mental disorder or psychosis, hallucination, hallucinogens, lsd, drugs
Investigating Therapeutic Uses for Hallucinogens
After a pause of several decades, scientists have resumed investigating how hallucinogens could be used to treat a variety of psychiatric problems.
examples of the powers of 10
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
The Apple II
10 Inventions That Changed Your World
Things you really can’t live without.
Illustration of human head with brain waves (medicine, medical, anatomy).
Are There Really Right-Brained and Left-Brained People?
Is it true that logical people are left-brained and creative people are right-brained?
Large Hadron Collider
Large Hadron Collider
Large Hadron Collider (LHC), the world’s most powerful particle accelerator. The Large Hadron Collider (LHC) was constructed by the European Organization for Nuclear Research (CERN) in the same 27-km (17-mile) tunnel that housed its Large Electron-Positron Collider (LEP). The tunnel is circular and

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.


Human eyelashes under magnifcation. Colored scanning electron micrograph (SEM) of human eyelash mites
Name That Magnified Object!
Can you figure out what these common items are when they're extremely magnified?
3d illustration of small intestines, human body, anatomy
Guess the Body Part Quiz
Taking this quiz requires guts.
Name that Thing - Science, composite: circuitboard, gnomon, eye iris, airplan yaw
Name That Thing: Science
Do you know the difference between a protractor and a compass?
Close up of the eye of a horned owl. (genus Bubo) bird raptor. Cropped version of Asset ID:
Guess the Animal Eyes Quiz
Can you tell these creatures just by looking at their peepers?


Why is blood red?
Why is blood red?
Encyclopædia Britannica, Inc.


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