Astronomy
Optical Equipment - http://www.escience.ca/telescopes/
Online retailer of astronomical and observing equipment from brands like Celestron, Meade, Televue and Orion. Also includes star chart, newsletter, images and product descriptions.
Science Lab Equipment - http://www.escience.ca/genSci/
Sells a line of general science and green energy products. Also offers buying guides, resources, promotions, product specifications and images.