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  • Wed May 21

Hurricane Hunter Flights Improve Hurricane Forecasts, But Trump Budget Cuts Could Threaten Them

15h
Scientific AmericanS

How Does a Gravitational Slingshot Work?

22h
Scientific AmericanS

What Is Testosterone Replacement Therapy, and Is It Safe?

23h
Scientific AmericanS

Here’s How Plastic Bag Bans Are Keeping Trash off Shorelines

1d
Scientific AmericanS

Humpback Whales Are Blowing ‘Bubble Rings’ at Boats. Are They Trying to Communicate?

1d
Scientific AmericanS

Gaia, Europe’s Galactic Cartographer, Is Gone But Not Forgotten

1d
Scientific AmericanS

SpaceX’s Starship Explodes in Texas During Preflight Testing

1d
Scientific AmericanS

The Weather Expert Who Answered the $64,000 Question

1d
Scientific AmericanS

Supreme Court Skrmetti Decision Permits Ban on Gender-Affirming Care for Children

2d
Scientific AmericanS

The Massive Ordnance Penetrator Bomb Israel Wants to Destroy Iran’s Fordo Nuclear Facility

2d
Scientific AmericanS

When Wildfire Smoke Arrived from Canada, Federal Safety Experts Were Gone

2d
Scientific AmericanS

When Baboon Dads Stick Around, Their Daughters Live Longer

2d
Scientific AmericanS

Mysterious Link between Earth’s Magnetism and Oxygen Baffles Scientists

2d
Scientific AmericanS

Why Can Beef Be Cooked Rare but Chicken Can’t?

2d
Scientific AmericanS

Why Working Out Is Good for Your Gut Microbiome

2d
Scientific AmericanS

Flesh-Eating ‘Screwworm’ Parasites Are Headed to the U.S.

3d
Scientific AmericanS

Scientists Find Universe’s Missing Matter in Intergalactic ‘Cosmic Fog’

3d
Scientific AmericanS

Wind and Solar Energy Are Cheaper Than Electricity from Fossil-Fuel Plants

3d
Scientific AmericanS

Google AI Grant to iNaturalist Prompts Community Outcry

3d
Scientific AmericanS

Why the Climate Warming Goal of 1.5 Degrees C Isn’t a Lost Cause—Even If We Overshoot It

3d
Scientific AmericanS

Why Testosterone Therapy Could Harm Some Men, though It Could Help Others

3d
Scientific AmericanS

Why Some Black Holes Keep ‘Burping’ Light after Eating a Star

3d
Scientific AmericanS

The Fast Fashion Backlash Is Fueling a Sustainability Revolution

3d
Scientific AmericanS

Seeking Sustainable Fashion and Cracking a Greenland Mystery

3d
Scientific AmericanS

Science Crossword: Throwing Shades

3d
Scientific AmericanS

Readers Respond to the March 2025 Issue

3d
Scientific AmericanS

Poem: ‘Prayer to Fireflies’

3d
Scientific AmericanS

Math Puzzle: Fill the Polygon

3d
Scientific AmericanS

July/August 2025: Science History from 50, 100 and 150 Years Ago

3d
Scientific AmericanS

Is It Possible to Treat Psychopathy Before It Starts?

3d
Scientific AmericanS

Hotter Nights after Scorching Days Threaten Heart Health and Mental Well-Being

3d
Scientific AmericanS

Greenland’s Ice Sheet Collapse Could Be Closer Than We Think

3d
Scientific AmericanS

Denmark Let Amateurs Dig for Treasure—And It Paid Off

3d
Scientific AmericanS

Contributors to Scientific American’s July/August 2025 Issue

3d
Scientific AmericanS

American Education Demands a Fact-Based Curriculum, Not Religious Ideology

3d
Scientific AmericanS

A Beginner’s Guide to Ethical and Sustainable Fashion

3d
Scientific AmericanS

What Is Your Cat Trying to Say? These AI Tools Aim to Decipher Meows

3d
Scientific AmericanS

How Drone Swarms Work—From Iran’s Shahed Attack to Ukraine’s Operation Spiderweb

4d
Scientific AmericanS

What I Wish Parents Knew about Social Media

4d
Scientific AmericanS

Extreme Heat Is the Biggest Threat to Insurers and Businesses

4d
Scientific AmericanS

Who Is on RFK, Jr.’s New Vaccine Panel—And What Will They Do?

4d
Scientific AmericanS

Your Brain Is Glowing, and Scientists Can’t Figure Out Why

4d
Scientific AmericanS

Truly Intelligent AI Could Play by the Rules, No Matter How Strange

4d
Scientific AmericanS

Mathematicians Hunting Prime Numbers Discover Infinite New Pattern for Finding Them

4d
Scientific AmericanS

See Vera C. Rubin Observatory’s First Images Live with These Watch Parties

4d
Scientific AmericanS

RFK, Jr., Fires CDC Vaccine Panel Experts, Ocean Acidification Hits Dangerous Levels, and Pangolins Face Hunting Threat

4d
Scientific AmericanS

Could Iran Have Been Close to Making a Nuclear Weapon? Uranium Enrichment Explained

1w
Scientific AmericanS

Five Climate Issues to Watch When Trump Goes to Canada

1w
Scientific AmericanS

Air-Conditioning Can Help the Power Grid instead of Overloading It

1w
Scientific AmericanS

How a Tiny Brain Region Guides Generosity

1w
Scientific AmericanS
More →

Entries updated Jun 21, 2025 01:43:56 AM PDT

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