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Pages anyone can improve, paid for by readers

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Articles, video, audio and images — gathered into publications readers follow and fund, or kept in private workspaces with signed approvals.

  • Pages anyone can improve

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    1. Start a page, or open one and press New change.
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    3. On anyone else’s, press Request for Review; once its maintainers approve, you publish it.
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    Readers support a page once or on repeat. After Stripe’s card fee, Hub Nexus keeps 10% and the rest goes to the people who maintain the page.

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  • Publications to follow

    Substack-like publications

    A publication gathers pages on one subject, chosen by its curators. Follow one and each new page comes to your inbox.

    1. Open a publication and press Follow — signed in, or with just your email.
    2. Each page its curators add comes to your inbox, with their note.
    3. Start your own. Readers can support it every month.
    Browse publicationsStart one

  • Workspaces for teams

    Private, with approvals

    Your organization’s own pages, kept off the public site, with signed approvals, single sign-on and an audit log.

    1. Create a workspace and invite your team by email.
    2. Write and review pages that only members can read.
    3. Share one page by link, or publish a public version when it is ready.
    Start a workspacePlans and pricing

Publications to follow

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Explore

A changing selection of pages. Press Shuffle for another.

NOAA’s GOES-S and GOES-T Satellites Coming Together
Version: 1CC0 1.0 (public domain)
Progress continues on the development of NOAA's GOES-S and GOES-T spacecraft that will follow the successful launch of GOES-R…
Application of environmental DNA for inventory and monitoring of aquatic species
Version: 1CC0 1.0 (public domain)
This fact sheet was created to help biologists and resource managers understand emerging methods for detecting environmental DNA and their potential application for inventorying and monitoring aquatic species. It is a synthesis of published information.
VA Truly means Family to Dr. Josh
Version: 1CC0 1.0 (public domain)
VA Careers regularly profiles employees in an effort to show
Birth Weight: What Low and High Birth Weight Mean for a Baby
Version: 2CC0 1.0 (public domain)
A baby under 5 pounds 8 ounces at birth has low birth weight; over 8 pounds 13 ounces, high. What causes each, the health problems they can bring, and steps in pregnancy that may prevent some of them.
Learning Lesson: Toasty Wind
Version: 1CC0 1.0 (public domain)
.lltable th { background-color: #d9f2d9; color: #063; width: 25%; } tr{border: 1px solid #0c0;background-color: #d9f2d9; } table tr:nth-child(even) td { background-color: #f7f7f7; } Overview The air is almost always in motion, and we feel this as wind. There are many sources for wind: mechanical sou
Being infected with TB and having TB are two different things
Version: 2CC0 1.0 (public domain)
Not everyone infected with tuberculosis bacteria becomes ill, which is why there are two conditions rather than one — inactive TB and active TB disease. The distinction decides who is infectious, who needs treatment, and what treatment that is.
Three people bought botulinum toxin online and injected themselves
Version: 2CC0 1.0 (public domain)
All three were hospitalised with severe illness in May and June 2025. All three received botulinum antitoxin after their clinical teams consulted the CDC, and all three recovered — with residual signs and symptoms.
Alpha-gal Syndrome: 42% of U.S. Clinicians Surveyed Had Never Heard of It
Version: 2CC0 1.0 (public domain)
Alpha-gal syndrome, a red-meat allergy tied to tick bites, is being diagnosed more often — but in a 2022 survey of 1,500 U.S. health care providers, 42% had never heard of it and few knew how to test for it.
Teaching Suffrage Through Nina Allender's Cartoons — and Who They Left Out
Version: 3CC0 1.0 (public domain)
Nina Allender's cartoons drew suffragists as powerful and in control. They also drew them young, white and well-off. A middle-school activity uses both sides to ask how art argues, and whom it omits.
Metabolic syndrome is a diagnosis you can measure yourself, almost
Version: 2CC0 1.0 (public domain)
It takes three of five risk factors, and four of them are numbers from a blood test or a blood pressure cuff. The fifth is your waist — 35 inches for women, 40 for men — and it is the only one with a visible sign at all.
Granulomatosis with Polyangiitis (GPA)
Version: 2CC0 1.0 (public domain)
GPA, once called Wegener's granulomatosis, is a rare inflammation of the blood vessels that can damage the sinuses, nose, windpipe, lungs and kidneys. Its symptoms, diagnosis and treatment.
First-of-its-kind Geostationary Lightning Mapper (GLM) Instrument Complete
Version: 1CC0 1.0 (public domain)
Final GOES-R instrument ready for integration with the Spacecraft The Geostationary Lightning Mapper (GLM) was unwrapped…
The climate was supposed to make it unlikely, and the dogs proved otherwise
Version: 2CC0 1.0 (public domain)
A human leptospirosis case appeared in Wyoming — a cold, semi-arid, historically low-incidence state where the disease was considered improbable. It was linked to an outbreak in dogs, through the patient's job, by human and animal health agencies working together.
X-Rays: How They Work and What to Expect
Version: 2CC0 1.0 (public domain)
An x-ray sends a small dose of radiation through the body to picture bones and organs. Why bones look white and lungs black, what x-rays find, how little radiation they use, and how to prepare.
Depression
Version: 1CC0 1.0 (public domain)
Despite the sometimes-crippling symptoms, major depression is manageable and treatable; with medication, therapy, or both, people can recover and lead happy, fulfilling lives.
Type 2 Diabetes: Causes, Risk Factors and Management
Version: 2CC0 1.0 (public domain)
About 1 in 8 Americans has diabetes, and 90% to 95% of them have type 2 — increasingly including young people. How insulin resistance causes it, who's at risk, and how it's prevented and managed.
Timpanogos Cave's geology: three caves in a canyon wall
Version: 3CC0 1.0 (public domain)
Timpanogos Cave's geology: three caves in a canyon wall
Rental Listing Scams
Version: 1CC0 1.0 (public domain)
Scammers use rental listings to get you to pay in advance for a place to live or vacation.
Acute Flaccid Myelitis (AFM): Symptoms, Causes and Care
Version: 2CC0 1.0 (public domain)
Acute flaccid myelitis is a rare but serious illness of the spinal cord, mostly in young children, that causes sudden arm or leg weakness. What causes it, the warning signs, and how it is diagnosed and treated.
Greening the National Parks: Solar, Hybrid Ferries and Net-Zero Buildings
Version: 2CC0 1.0 (public domain)
How the National Park Service uses science and technology for sustainability — solar at Cape Cod, hybrid ferries at Golden Gate, a net-zero building in the Santa Monica Mountains, smart buildings at Zion.
The Geology of Fort Union National Monument, New Mexico
Version: 2CC0 1.0 (public domain)
The Geology of Fort Union National Monument, New Mexico
The Incluseum at Ten: Three Museum Activists on Inclusion
Version: 4CC0 1.0 (public domain)
Porchia Moore, Rose Paquet and Aletheia Wittman on how a graduate-school blog became a decade-long network on inclusion in museums, and the book they wrote together looking back and ahead.
The hospital opiate screen was missing five patients in six
Version: 2CC0 1.0 (public domain)
In a 2018 Baltimore study, 83% of emergency patients had used fentanyl and only 25% tested positive on the hospital opiate screen. Fentanyl is an opioid the routine test does not look for — so as heroin gave way to it, positives fell while overdose deaths rose.