Skip to content

Enjoy unlimited access

Only $2.99 a month

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

Magazine
Menu
About
For Students
Our Store

Donate

Home INDEPENDENT JOURNALISM SINCE 1921 SIGN IN

Search

Home 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
- Recent posts in Humans
  - Anthropology
    A lion’s bite marks a fatal fight with a possible Roman-era gladiator
    
    By Bruce BowerApril 23, 2025
  - Psychology
    Uncertainty is on the rise. Here’s how people can cope
    
    By Sujata GuptaApril 23, 2025
  - Psychology
    Loneliness is higher among middle-aged Americans than older ones
    
    By Sujata GuptaApril 22, 2025
Life
- Life
  - Animals
  - Plants
  - Ecosystems
  - Paleontology
  - Neuroscience
  - Genetics
  - Microbes
- Recent posts in Life
  - Paleontology
    Ancient, water-loving rhinos gathered in big, hippolike herds
    
    By Jake BuehlerApril 25, 2025
  - Animals
    This caterpillar wears the body parts of insect prey
    
    By McKenzie PrillamanApril 24, 2025
  - Neuroscience
    Mouse brains hint at why it’s so hard to forget food poisoning
    
    By Elise CuttsApril 22, 2025
Earth
- Earth
- Recent posts in Earth
  - Earth
    The United States’ oldest known rock has existed for at least 3.6 billion years
    
    By Evan HowellApril 25, 2025
  - Climate
    Wetland bacteria could make more methane in a warming world
    
    By Carolyn GramlingApril 23, 2025
  - Climate
    Earth’s landmasses lost trillions of tons of water this century
    
    By Carolyn GramlingApril 21, 2025
Physics
- Physics
- Recent posts in Physics
  - Physics
    Imitation dark matter axions have arrived. They could reveal the real thing
    
    By Emily ConoverApril 16, 2025
  - Particle Physics
    Neutrinos’ maximum possible mass shrinks further
    
    By Emily ConoverApril 10, 2025
  - Particle Physics
    Physicists have confirmed a new mismatch between matter and antimatter
    
    By Emily ConoverApril 1, 2025
Space
- Space
- Recent posts in Space
  - Space
    See how the Hubble Space Telescope is still revolutionizing astronomy
    
    By Katherine KorneiApril 24, 2025
  - Astronomy
    A gas clump in the Milky Way’s neighborhood might be a ‘dark galaxy’
    
    By Mara Johnson-GrohApril 18, 2025
  - Astronomy
    A claimed hint of alien life whips up spirited debate
    
    By Lisa GrossmanApril 17, 2025

Feature

New Beat Detected in the Ice Age Rhythm

Share this:

Email
Facebook
Twitter
Pinterest
Pocket
Reddit
Print

By Science News

Magazine Issue: Vol. 147 No. #8, February 25, 1995

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 February 25, 1995 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

Paleontology
Ancient, water-loving rhinos gathered in big, hippolike herds

By Jake BuehlerApril 25, 2025
Earth
The United States’ oldest known rock has existed for at least 3.6 billion years

By Evan HowellApril 25, 2025
Animals
This caterpillar wears the body parts of insect prey

By McKenzie PrillamanApril 24, 2025

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 2000–2025. All rights reserved.

1719 N St. NW, Washington, DC 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*