Distinctive Lakes of the Earth
A group of tables ranking the lakes of the Earth by volume, surface area and depth.
http://home.comcast.net/~igpl/Lakes.html

Weiss Research
Weiss Research manufactures pH electrode, Ion-selective Electrodes, ORP electrode, Dissolved oxygen Probe, Conductivity Probes and Reference Electrodes
http://www.weissresearch.com/

Micro Probe, Inc.
Providing metal microelectrodes for neuroscience research, clinical deep brain procedures, and electrochemical applications. Multi-channel electrode arrays and custom design electrode systems are also available. Located in Potomac, Maryland.
http://www.microprobes.com

Mir Falls to Earth
A CNN in-depth site with news and resources relating to Mir's demise.
http://www.cnn.com/SPECIALS/2001/mir/

Pro-Fusion Technologies, Inc.
Pro-Fusion offers products and services for the precision arc welding industry. The Pro-Fusion welding web site includes welding technology information and education for the user on how to apply this data to a variety of welding applications. welding consultation, contract welding services, Tig and Plasma power supplies, welding specs.
http://www.pro-fusiononline.com/

3D Stereography Software
3DMiracle & 3DMonster - stereogram software toolkit for creation stereograms with ease. Shareware.
http://www.ixtlan.ru/

In-Depth Solutions, LLC
Velocity modeling and depth conversion services and software.
http://in-depthsolutions.com/

NeoDys, Near Earth Objects - Dynamic Site
Searchable database of near Earth asteroids, risk calculations for possible collisions with Earth, orbit calculation software.
http://newton.dm.unipi.it/cgi-bin/neodys/neoibo

Planet Earth: An Introduction to Earth Sciences
Online text by Roger N. Anderson of Columbia University. Covers origins of the earth and life, plate tectonics, and formation and deformation of continents.
http://www.ldeo.columbia.edu/res/pi/4d4/planet/

Aspen Global Change Institute (AGCI)
The Aspen Global Change Institute is a non-profit dedicated to furthering the understanding of Earth systems through interdisciplinary science meetings, publications, and educational programs about global environmental change. Learn more about our upcoming science sessions on climate extremes, abrupt climate change, and biodiversity and climate change. Also read about the Canary Initiative: the City of Aspen, Colorado's resolution to fight global warming.
http://www.agci.org/