HEN Ireland March 2007
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Spring 2007 Newsletter Links
HEN Ireland
Cluck Cluck

The following links are featured in the Spring Newsletter 2007:

Maths
What's Special About This Number? For those who love numbers

Hamilton Institute: Schools Mathematics Grand Challenge

Wolfram Math World Tangrams

Biology
Ask a Biologist

Geography
Geosense An online geography game.

e-Books
Digital Book Index A Union Catalog of Electronic Books, Texts and Documents with 130,000
title records, 90,000 of these are available for free.

Games
The Treasure Hunt Riddles, Problems and a Treasure. From The Problem Site.

Virus 2 An addictive topology game

Curiosities
About myopia