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"The massive ordnance penetrator bomb Israel want to destroy Iran's Fordo Nuclear Facility."

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Russ Roberts (https://hawaiisciencejournal.blogspot.com).

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

200+Scientific American Content / 21h

American military engineers designed the GBU-57/B bomb to devastate deeply buried bunkers without radioactive fallout. It’s the only nonnuclear weapon that can reach Iran’s hardest target

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

Supreme Court upholds Tennessee transgender care

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200+Scientific American Content / 21h

The Supreme Court has decided to uphold a state ban on gender-affirming care for minors in U.S. v. Skrmetti

The Weather Expert Who Answered the $64,000 Question

23Scientific American Content / 1h

As the first trained Black TV meteorologist, June Bacon-Bercey always worked to help women and people of color to follow in her footsteps

Yesterday

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

Scientific American Content / 23h

Health specialists were put on leave, and a report on how to protect 20 million workers from wildfire smoke has stalled

When Baboon Dads Stick Around, Their Daughters Live Longer

72Scientific American Content / 23h

New research shows father-daughter relationships have a positive influence on female baboons’ lives—when the dads stick around

Mysterious Link between Earth’s Magnetism and Oxygen Baffles Scientists

Earth's magnetism linked to oxygen

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Scientific American Content / 1d

The strength of Earth’s magnetic field and the amount of oxygen in its atmosphere seem to be correlated—and scientists want to know why

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

34Scientific American Content / 1d

Food microbiologists explain how to ensure different proteins, such as beef, chicken and pork, are prepared safely

Why Working Out Is Good for Your Gut Microbiome

31Scientific American Content / 1d

We’ve all heard the saying “you are what you eat”—especially when it comes to gut health. But what if your workout matters just as much as your diet?

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

100Scientific American Content / 1d

Screwworm parasites primarily infect livestock, but human cases have risen in Central America after the pests escaped containment

Jun 17, 2025

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

Astronomers locate universe's missing matter

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100+Scientific American Content / 1d

Researchers have used cosmic explosions called fast radio bursts to illuminate the intergalactic medium

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

Solar power cheapest energy source

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Scientific American Content / 2d

Even without subsidies, renewable energy is staying competitive with power from gas and coal

Google AI Grant to iNaturalist Prompts Community Outcry

35Scientific American Content / 2d

The nonprofit iNaturalist announced that it received a $1.5-million grant from Google’s philanthropic arm to develop generative AI tools for species identification. The news didn’t go over well

Contributors to Scientific American’s July/August 2025 Issue

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Writers, artists, photographers and researchers share the stories behind the stories

A Beginner’s Guide to Ethical and Sustainable Fashion

Scientific American Content / 2d

Outsmart greenwashing with tips for more sustainable clothing

Science Crossword: Throwing Shades

Scientific American Content / 2d

Play this crossword inspired by the July/August 2025 issue of Scientific American

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

1.5°C climate target nearly impossible

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64Scientific American Content / 2d

Earth will likely warm by more than 1.5 degrees Celsius, but we can’t give up on trying to get temperatures back down

Is It Possible to Treat Psychopathy Before It Starts?

30Scientific American Content / 2d

New strategies help to reduce callous and unemotional traits in children, guiding them toward productive lives

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

46Scientific American Content / 2d

The collapse of the world’s second-largest ice sheet would drown cities worldwide. Is that ice more vulnerable than we know?

Seeking Sustainable Fashion and Cracking a Greenland Mystery

Scientific American Content / 2d

Inside this double issue of SciAm , you’ll find black holes that burp up their stellar meals, metal detectorists that hit pay dirt, hope for psychopathy, the truth about testosterone and a consumer guide to sustainable clothes shopping

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

25Scientific American Content / 2d

When nights stay hot, more people die, many from cardiovascular problems. But there are simple methods you can use to stay cooler and healthier

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

Scientific American Content / 2d

After black holes devour stars, sometimes the feast comes back up

Math Puzzle: Fill the Polygon

21Scientific American Content / 2d

Puzzle out the sequence of numbers that fill these polygons

Denmark Let Amateurs Dig for Treasure—And It Paid Off

51Scientific American Content / 2d

The Danish government deputized private detectorists to unearth artifacts buried in farm fields. Their finds are revealing the country’s past in extraordinary detail

Poem: ‘Prayer to Fireflies’

25Scientific American Content / 2d

Science in meter and verse

The Fast Fashion Backlash Is Fueling a Sustainability Revolution

89Scientific American Content / 2d

Trade impulse clothing purchases for botanical dyes, upcycled apparel, creative mending, flexible sizing, and more

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

Scientific American Content / 2d

Toxic cigars; dueling with a swordfish

Readers Respond to the March 2025 Issue

Scientific American Content / 2d

Letters to the editors for the March 2025 issue of Scientific American

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

76Scientific American Content / 2d

To boost mood and manliness, men are spending lots of money on the hormone testosterone—yet they may see trouble instead of benefits

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

500+Scientific American Content / 2d

One hundred years after the Scopes trial, religious ideologues are still trying to supplant evidence-based curricula with myths, to the detriment of a well-informed society

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

99Scientific American Content / 2d

AI is shedding new light on the 12,000-year conversation between cats and their humans, suggesting that house cats wield a far richer vocabulary than once thought

Jun 16, 2025

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

Drone smuggling transforms modern warfare

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100+Scientific American Content / 2d

Iranian Shahed drones, Ukrainian quadcopters and the U.S.’s Golden Horde program reveal three paths to massed autonomy, and each rewrites the rules of air defense

What I Wish Parents Knew about Social Media

21Scientific American Content / 2d

I study social media for a living. Here’s what parents need to know so that kids can use it safely and productively

Extreme Heat Is the Biggest Threat to Insurers and Businesses

Extreme heat deadliest natural hazard

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Deadly temperatures put great stress not just on human life but also on the economy, infrastructure, agriculture and health care

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

RFK Jr. fires CDC vaccine panel

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30Scientific American Content / 3d

Critics fear that U.S. Department of Health and Human Services chief RFK, Jr., known for his antivaccine views, has picked a crucial CDC committee that will be a “disaster for public health”

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

300+Scientific American Content / 3d

Researchers have measured the brain’s faint glow for the first time, hinting at a potential role of “biophotons” in cognition

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

39Scientific American Content / 3d

To build safe but powerful AI models, start by testing their ability to play games on the fly

Mathematicians Hunting Prime Numbers Discover Infinite New Pattern for Finding Them

100+Scientific American Content / 3d

Using a notion called integer partitions, mathematicians have discovered a new way to detect prime numbers while also connecting two areas of math in an unexpected way

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

42Scientific American Content / 3d

The first images of the cosmos taken by the world’s largest digital camera onboard the Vera C. Rubin Observatory are about to be released to the public. Here’s how to watch the action live

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

33Scientific American Content / 3d

Major changes hit a key CDC vaccine advisory panel, ocean acidification crosses a critical threshold, and new research reveals an unexpected threat to pangolins.