Scientific American Magazine Vol 330 Issue 1

Scientific American

Volume 330, Issue 1

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Features

Asexuality Is Finally Breaking Free from Medical Stigma

New research on asexuality shows why it’s so important for doctors and therapists to distinguish between episodes of low libido and a consistent lack of sexual attraction

Intervention at an Early Age May Hold Off the Onset of Depression

Preventing initial episodes might stop depression from becoming a disabling chronic condition

How Analyzing Cosmic Nothing Might Explain Everything

Huge empty areas of the universe called voids could help solve the greatest mysteries in the cosmos

How Much Vitamin D Do You Need to Stay Healthy?

Most people naturally have good vitamin D levels. Overhyped claims that the compound helps to fight diseases from cancer to depression aren’t borne out by recent research

Why Are Alaska's Rivers Turning Orange?

Streams in Alaska are turning orange with iron and sulfuric acid. Scientists are trying to figure out why

Inside Mathematicians' Search for the Mysterious 'Einstein Tile'

The quest for the einstein tile—a shape never seen before in mathematics—turned up even more discoveries than mathematicians counted on

Departments

Meter
Poem: 'Baby Crocodile'
Advances
Rising Temperatures Are Turning Some Animals Nocturnal
Sperm Cell Powerhouses Contain Almost No DNA
Computers Sculpt Hopping Gelatinous Robots
Alien World Denser Than Steel Confounds Our Understanding of Planet Formation
To Predict Snowfall, NASA Planes Fly into the Storm
How a Parasitic Worm Forces Praying Mantises to Drown Themselves
Fossils Finally Reveal Fiery Colors of Prehistoric Animals
JWST Spots Baby Sun Spitting Up Supersonic Flows
Ping-Pong Ball Insulators Can Block Noise
Scientists Destroy Illusion That Coin Toss Flips Are 50–50
Science News Briefs from around the World: January 2024
Starfish Are Heads--Just Heads
The Gambling Strategy That's Guaranteed to Make Money and Why You Should Never Use It
Observatory
Calling Our Times the 'Anthropocene Epoch' Matters Dearly to You
50, 100 & 150 Years Ago
January 2024: Science History from 50, 100 and 150 Years Ago
Reviews
How to Escape a Time Loop You Don't Really Want to Leave
How the Moon Shaped Human History, from Religion to Climate
The Science of Health
Now There Are Better Ways Than BMI Charts to Assess Health Risks
Letters
Readers Respond to the September 2023 Issue
The Science Agenda
As the Climate Crisis Deepens, High-Polluting Nations Must Start Paying Reparations
From the Editor
Vitamin D Hope and Hype, Cosmic Voids and Preventing Depression
Graphic Science
See Your Body's Cells in Size and Number
Q&A
Cats Are Perfect. An Evolutionary Biologist Explains Why
The Universe
Here's How to Bring Mars Down to Earth: Let NASA Do What NASA Does Best
Mind Matters
To Lead a Meaningful Life, Become Your Own Hero
Forum
The World Solved Acid Rain. We Can Also Solve Climate Change