You can find information & resources of science, biotechnology, chemistry, ecology, technology, science resources, mechanical engineering, earth sciences, astrophysics, nuclear & molecular at PortalScience.com
Separations Science for Environmental Remediation
material related to heavy metal chelation from wastewater or jet fuel and the separation of oil from bilge water.
http://environment.nrl.navy.mil/
separationsNOW.com
a separation science online resource and portal incorporating the major separation techniques.
http://www.separationsnow.com/
The Chemical Heritage Foundation
A non-profit foundation dedicated to preserving and making known the history of the chemical sciences.
http://www.chemheritage.org/
The Chemical Industry
Providing information on all facets of the world-wide chemical industry. Many links to web resources of interest to chemists and the chemical industry.
http://www.neis.com/
The Foam Book
A reference source for aqueous foam technology subdivided by application.
http://www.aquafoam.com
The Sol-Gel Gateway
resources for chemists, materials scientists, and device technologists working on sol-gel related fields.
http://www.solgel.com/
The Wired Chemist
a collection of chemistry resources, including problems for general and organic chemistry, and NMR and crystallographic resources.
http://wulfenite.fandm.edu/
Thorium
An information source of thorium and thorium-related topics.
http://www.thorium-waste.com/
