Skip to content

Subscribe today

Every print subscription comes with full digital access

All Topics
- Health
- Humans
- Life
- Earth
- Physics
- Space

Magazine
Menu
About
For Students
Our Store

Donate

Science News

INDEPENDENT JOURNALISM SINCE 1921 SIGN IN

Search

Science News

INDEPENDENT JOURNALISM SINCE 1921

All Topics
- Earth
- Humans
- Life
  - Animals
  - Plants
  - Ecosystems
  - Paleontology
  - Neuroscience
  - Genetics
  - Microbes
- Physics
- Space
- Tech
  - Computing
  - Artificial Intelligence
- Chemistry
- Math
- Science & Society
Health
Humans
- Humans
- - Health & Medicine
    50 years ago, U.S. drinking water sparked health and safety concerns
    
    By Karen KwonNovember 15, 2024
  - Health & Medicine
    22 pesticides show links to prostate cancer
    
    By Andrea TamayoNovember 14, 2024
  - Psychology
    Researchers seek, and find, a magical illusion for the ears
    
    By Sushmita PathakNovember 13, 2024
Life
- Life
  - Animals
  - Plants
  - Ecosystems
  - Paleontology
  - Neuroscience
  - Genetics
  - Microbes
- - Oceans
    The world’s largest coral was discovered in the South Pacific
    
    By Nikk OgasaNovember 15, 2024
  - Animals
    Stray DNA is all around us. It could revolutionize conservation
    
    By Erin Garcia de JesúsNovember 14, 2024
  - Health & Medicine
    A twisted protein sheds light on chronic wasting disease in deer
    
    By Erin Garcia de JesúsNovember 12, 2024
Earth
- Earth
- - Oceans
    The world’s largest coral was discovered in the South Pacific
    
    By Nikk OgasaNovember 15, 2024
  - Health & Medicine
    22 pesticides show links to prostate cancer
    
    By Andrea TamayoNovember 14, 2024
  - Environment
    Fire-prone neighborhoods on the fringes of nature are rapidly expanding
    
    By Nikk OgasaNovember 8, 2024
Physics
- Physics
- - Particle Physics
    Accelerated muons bring next-gen particle colliders closer to reality
    
    By Emily ConoverNovember 12, 2024
  - Particle Physics
    Antimatter could travel by truck, a test with protons shows
    
    By Emily ConoverNovember 8, 2024
  - Astronomy
    A star winked out of sight. Could it be a ‘failed supernova’?
    
    By Emily ConoverNovember 7, 2024
Space
- Space
- - Planetary Science
    A first look at rocks from the lunar farside create a volcanic mystery
    
    By Lisa GrossmanNovember 15, 2024
  - Planetary Science
    Uranus may have looked weird when NASA’s Voyager 2 flew by
    
    By Lisa GrossmanNovember 11, 2024
  - Astronomy
    A cosmic census triples the known number of black holes in dwarf galaxies
    
    By Lisa GrossmanNovember 8, 2024

Feature

Researchers Isolate, Synthesize Growth Factor

Share this:

Email
Facebook
Twitter
Pinterest
Pocket
Reddit
Print

By Science News

Magazine Issue: Vol. 122 No. #19, November 6, 1982

Having trouble viewing this? Open in a new window

Questions or comments on this article? E-mail us at feedback@sciencenews.org | Reprints FAQ

A version of this article appears in the November 6, 1982 issue of Science News.

We are at a critical time and supporting climate journalism is more important than ever. Science News and our parent organization, the Society for Science, need your help to strengthen environmental literacy and ensure that our response to climate change is informed by science.

Please subscribe to Science News and add $16 to expand science literacy and understanding.

Related Stories

Readers ask about self-correcting quantum computers, oobleck’s experimental value

By Science News StaffNovember 16, 2024
50 years on, Lucy still sparks our curiosity

By Nancy ShuteNovember 16, 2024
Oceans
The world’s largest coral was discovered in the South Pacific

By Nikk OgasaNovember 15, 2024

Science News

Science News was founded in 1921 as an independent, nonprofit source of accurate information on the latest news of science, medicine and technology. Today, our mission remains the same: to empower people to evaluate the news and the world around them. It is published by the Society for Science, a nonprofit 501(c)(3) membership organization dedicated to public engagement in scientific research and education (EIN 53-0196483).

Science News Explores
Science News Learning

Subscriber Services

Subscribe
Renew
Give a Gift Subscription
Customer Service

Follow Science News on Facebook
Follow Science News on X
Follow Science News via RSS
Follow Science News on Instagram
Follow Science News on YouTube
Follow Science News on TikTok

More Information

FAQ
Newsletters
Rights & Permissions
Advertise
Contact

Society for Science

About the Society
Society Store
Donate
Careers

© Society for Science & the Public 2000–2024. All rights reserved.

1719 N Street, N.W., Washington, D.C. 20036 202.785.2255

Terms of Service Privacy Policy

Log in

Subscribers, enter your e-mail address for full access to the Science News archives and digital editions.

Not a subscriber?
Become one now.

Client key* E-mail Address*