Jeanna Bryner

Managing Editor at Scientific American

Managing Editor at Scientific American

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Articles

Beautiful Shapes, a Magic Molecule and Elephant Bromances

1 week ago | scientificamerican.com | Jeanna Bryner

Ask someone to name a favorite shape, and they’ll probably choose one of the usual suspects: triangle, circle, maybe a trapezoid. These run-of-the-mill forms take a back seat to more sophisticated and mind-bending structures in our cover story, in which writer Rachel Crowell asks mathematicians to describe their most adored shape. The responses are not only colorful; they also illustrate why mathematics once fell under the rubric of natural philosophy.
A Neurodivergent Journey, Armored Dinosaurs and the Dark Sector

1 month ago | scientificamerican.com | Jeanna Bryner

When I first came across the term “neurodivergent,” after it was coined about 25 years ago by activist Kassiane Asasumasu, I didn’t realize the weight it would hold in society. The nonjudgmental label, which describes people with attention deficit hyperactivity disorder, autism, tics, and many other brain-based phenomena, indicates a divergence from the typical rather than a deficit.
A Fascinating Sparrow, Aha! Moments and Local Flowers

2 months ago | scientificamerican.com | Jeanna Bryner

The best stories are those that draw you in with intrigue, visuals and characters, leaving you with a new perspective on the world and your place in it. My take on flowers is forever changed after reading science journalist Maryn McKenna’s deep dive into the chemically laden, international floral industry, where loose to nil regulations on insecticides and fungicides allow farms to create the perfect blossom.
Elon Musk Can Find His $2-Trillion Federal Spending Cut in Nuclear Weapons

2 months ago | nuclear-news.net | Dan Vergano |Jeanna Bryner |Christina MacPherson

Elon Musk Can Find His $2-Trillion Federal Spending Cut in Nuclear Weapons DOGE’s Elon Musk should turn his $2-trillion hatchet to wasteful and perilous U.S. nuclear weapons modernization plansScientific American, By Dan Vergano edited by Jeanna Bryner, 5 Feb 25Famously fortunate, Elon Musk now faces a rare opportunity—delivering on one of his signature overblown promises.
Mysterious Blobs, Green Monsters and the Space Junk Crisis

Jan 21, 2025 | scientificamerican.com | Jeanna Bryner

Do you remember learning about cell diagrams in high school biology? The cell wall, the organelles, the nucleus. The real picture is turning out to be much more complicated, and interesting, than we were taught. Cells are filled with teensy, phase-shifting blobs that often contain protein and RNA, and in the past several years they’ve taken over cellular biology.
How Rare ‘Alice in Wonderland Syndrome’ Warps Reality

Dec 23, 2024 | brnw.ch | Allison Parshall |Jeanna Bryner

When Lene was a child, she took comfort in a strange nighttime routine. While lying in bed just before she fell asleep, her bedroom would begin to warp, and her body would do so along with it. The far wall would stretch away from her head, her legs lengthening to meet it until she felt like she could touch the door with her toe if she tried. And all the while, it seemed as if she was floating in the corner, observing her distorted body.
Evidence of ‘Negative Time’ Found in Quantum Physics Experiment

Oct 17, 2024 | roselawgroupreporter.com | Manon Bischoff |Jeanna Bryner

By Manon Bischoff, Jeanna Bryner | Scientific AmericanQuantum physicists are familiar with wonky, seemingly nonsensical phenomena: atoms and molecules sometimes act as particles, sometimes as waves; particles can be connected to one another by a “spooky action at a distance,” even over great distances; and quantum objects can detach themselves from their properties like the Cheshire Cat from Alice’s Adventures in Wonderland detaches itself from its grin.
Ancient ‘Age of Dinosaurs’ Seafloor Found beneath Pacific Ocean

Oct 17, 2024 | scientificamerican.com | Jeanna Bryner

An ancient slab of seafloor that was around when Earth’s earliest known dinosaurs emerged, has been discovered beneath the Pacific Ocean, where it has seemingly hovered in a sort of mid-dive for more than 120 million years. In addition to illuminating geological processes deep inside Earth, the cold, descending slab of dense rock, located some 410 to 660 kilometers below the planet’s surface, could explain a mysterious gap between two sections of a giant blob in the mantle layer.
Daylight saving time 2024: When does the time change? | Live Science

Oct 15, 2024 | livescience.com | Jeanna Bryner |Laura Geggel

When does daylight saving time end in 2024? Here's a look at when the time changes this year, and what is the purpose of daylight saving time in the first place.
Quantum physicists discover 'negative time' in strange experiment

Oct 5, 2024 | livescience.com | Manon Bischoff |Jeanna Bryner

Quantum physicists are familiar with wonky, seemingly nonsensical phenomena: atoms and molecules sometimes act as particles, sometimes as waves; particles can be connected to one another by a "spooky action at a distance," even over great distances; and quantum objects can detach themselves from their properties like the Cheshire Cat from Alice's Adventures in Wonderland detaches itself from its grin.