Jeanna Bryner
Jeanna Bryner is managing editor of Scientific American. Previously she was editor in chief of Live Science and, prior to that, an editor at Scholastic's Science World magazine. Bryner has an English degree from Salisbury University, a master's degree in biogeochemistry and environmental sciences from the University of Maryland and a graduate science journalism degree from New York University. She has worked as a biologist in Florida, where she monitored wetlands and did field surveys for endangered species, including the gorgeous Florida Scrub Jay. She also received an ocean sciences journalism fellowship from the Woods Hole Oceanographic Institution. She is a firm believer that science is for everyone and that just about everything can be viewed through the lens of science.
Latest articles by Jeanna Bryner

Daylight saving time 2025: When does the time change, and why?
By Jeanna Bryner last updated
When does daylight saving time start in 2025? Here's a look at when the time changes this year, and why we change our clocks in the first place.

Periodic table of elements: How it works and who created it
By Jeanna Bryner, Tim Sharp last updated
The Periodic Table, first created by Dmitri Mendeleev, organizes all of the known elements in an informative array.

How to turn off web notifications for Google Chrome and macOS
By Jeanna Bryner last updated
Here's a handy guide on how to turn off web notifications for Google Chrome and macOS.

Quantum physicists discover 'negative time' in strange experiment
By Manon Bischoff, Jeanna Bryner published
Physicists showed that photons can seem to exit a material before entering it, revealing observational evidence of negative time

13 of the most venomous snakes on the planet
By Jeanna Bryner last updated
An encounter with one of these venomous snakes could cost you your life.

What is a solar eclipse?
By Jeanna Bryner last updated
Solar eclipses are some of nature's most dramatic celestial performances. Here's a look at the science behind the eclipse, and how to watch the next one on April 8, 2024.

10 terrific turkey facts
By Remy Melina, Jeanna Bryner published
Turkeys can fly, blush and are distant relatives of Tyrannosaurus rex. Read on to learn more about these Thanksgiving divas.

Antikythera Mechanism photos: See the world's first computer
By Jeanna Bryner last updated

Pesticides Could Stunt Growth of Clams and Oysters
By Jeanna Bryner last updated
Negative effects from one of the most widely used herbicides in the United States could cascade through the aquatic food chain and even reach seafood eaters, new research finds.

Cunning Weed Sniffs Out Victims
By Jeanna Bryner last updated
When the stringy dodder plant emerges, it bobs and sways to find the perfect host plant, then sucks the life out of it. See the video.

Fish Use UV Light to Distinguish Faces
By Jeanna Bryner last updated
Some fish can distinguish between different species using UV patterns on their faces.

New Species of Ancient Flying Reptile Discovered
By Jeanna Bryner last updated
An ancient reptile with a 9-foot wingspan was soaring over the sea in what is now North Texas some 95 million years ago when – plop – it fell into the water and died.

The Invisible Sex Dance of Psychedelic Spiders
By Jeanna Bryner last updated
VIDEO: Don't miss this amazing look at the secret mating rituals of spiders that can see in the dark.

'Moody' Toddlers More Likely to Become Problem Gamblers, Study Suggests
By Jeanna Bryner last updated
Your tot's personality may foretell later problem behaviors.

Texas Sect Earns Cult Status
By Jeanna Bryner last updated
A polygamous sect living on a Texas ranch raises the cult v. church question.

Mystery of Britain's Largest Meteorite Solved
By Jeanna Bryner last updated
The meteorite weighs about the same as a baby elephant.

Why does the moon turn red during a total lunar eclipse?
By Jeanna Bryner last updated
When a lunar eclipse occurs and our lone satellite inches into Earth's shadow, the moon's face becomes painted red. Here's why.

Lightning strikes Artemis I mission's 'Mega Moon rocket' launch pad during tests
By Jeanna Bryner last updated
The Artemis I mission's Mega Moon rocket was undergoing "wet" tests Saturday (April 2).

Antikythera Anniversary: Astronomical Computer Still Puzzles After 115 Years
By Jeanna Bryner last updated
Today's Google Doodle honors an intricate and mysterious astronomical computer found at the bottom of the Aegean Sea aboard a Roman cargo ship in 1902.

Why Women Choose Abortion
By Jeanna Bryner last updated
Researchers find many women are experiencing a life stressor when making their abortion decision.

Monkeypox outbreaks tied to sex at 2 raves in Europe
By Jeanna Bryner last updated
The current outbreaks of the monkeypox virus in Europe and North America might have originated and spread through sex at two raves in Spain and Belgium.

Monkeypox may have been spreading in UK for years
By Jeanna Bryner last updated
The monkeypox virus may have been spreading at low levels in the United Kingdom for years now, only becoming detectable in the last month, according to health officials.

In photos: Cremated Buddha remains and Buddha statues
By Jeanna Bryner last updated
Archaeologists have discovered 260 Buddhist statues and a box holding the cremated remains of what appear to be the Buddha in China.
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