Subscription Info   Newsletter   Site Demo   Librarians   Help/FAQs   About   Contact Us   

University of North Texas Lib  


IMAGE OF THE WEEK
Leap Frogger: Pterosaurs hip-hopped into the air

View all Images of the Week

HELPFUL TOOLS

Periodic Table


Geologic Time Scale

View all Helpful Tools, and read an article on scientific notation
Advanced Search

BIOGRAPHIES

We have more than 2000 biographies of well-known scientists.



IMAGE GALLERIES

Explore scientific phenomena through pictures.

Venomous Fishes

Mammals during the Mesozoic, the Age of Dinosaurs

.and many more.



STUDY CENTER
Tools to help you make the most of your study time.

Q&A
Our editors answer YOUR questions.

Topical Study Guides
A program of study with links to relevant articles.

AP Study Guides
Study material geared to topics covered in the AP examination. Includes multiple-choice quizzes.

Essay Topics
Suggestions for research papers and essays.

Bibliographies
The literature citations in our articles organized by topic.
Now on AccessScience

Neil de Grasse Tyson’s new book, The Pluto Files, chronicles Pluto’s rise and fall from planethood. Listen to his interview in our AudioExploration or in Spotlight: Pluto at MHEST.com!



VIDEO: Cow Power
Find out about a source of renewable energy as close as your nearest dairy farm in this ScienCentral video.



My AccessScience: Save search results, bookmark articles, and archive favorite images.

Search AccessScience from any page online with bookmarklets (in Helpful Tools).

Take the AccessScience Site Tour



Q&A:
Why can't you put metal objects into Microwave ovens?



AccessScience EXPLORATIONS

Exploration: Forensics
Discover forensic science through the experiences of forensic anthropologist Clea Koff

Exploration: Pluto
What is a planet, anyway? Pluto's mystery is discussed by astrophysicist Neil deGrasse Tyson and astronomer Tobias C. Owen

Exploration: Fossil Humans
Anthropologist Eric Delson on the science of human origins, and the implications of a recent find of in Dikika, Ethiopia.




NEW ENCYCLOPEDIA ARTICLES

The newest Encyclopedia of Science & Technology articles added to the site.

 - Fuel cells for automobiles
 - Earthquake early warning
 - Desorption electrospray ionization mass spectrometry
 - Affinity monolith chromatography
 - Barcoding life
 - Anthrax bacillus and the immune response
 - Venus Express
 - Warship design trends
 - Web spam identification and blocking
 - Underground research laboratories

NEWS   



- Antarctica is getting warmer too
- Darwin's Evolution
- Astronomers get burst of details from early universe

- See news archive
Copyright ©2008 The McGraw-Hill Companies. All rights reserved. Any use is subject to the Terms of Use and Privacy Notice.
Additional credits and copyright information.