Noted photographer Frans Lanting opens the website dedicated to his most recent ambitious project with these words: "Seven years ago I stood at the tide line of an estuary and began a personal journey through time.� Auspicious words indeed, and this lovely exploration of what he found on this journey takes visitors on a "lyrical interpretation of life on Earth from its earliest beginnings to its...

The American Association of Physics Teachers (AAPT) was formed in 1930, and today it has over 10,000 members in 30 countries. Their educational outreach work is significant, and along with the usual conferences and professional development meetings, it includes this website. Here visitors will find several video guides, including one that documents the well known collapse of the Takoma Narrow...

Over the past few years, the American Geological Institute (AGI) has assembled a nice mix of resources for earth science educators, including promotional videos such as "Why Earth Science?" and a terrific world image bank. The image bank can be found at the "Earth Science World Image Bank" tab, and it contains over 6,000 images. Visitors can browse the images, or they can also type in keywords. ...

The online version of the Australian Antarctic Magazine is part of an Australian government website that supports and informs the public, scientists, researchers, and lawmakers about the involvement of Australia in the Antarctic region. The guiding principle of the Australian Antarctic Division is "Antarctica-valued, protected and understood". The magazine comes out twice yearly, and archived...

Developed by the Materials Laboratory at the University of Basque Country, Spain, the Bilbao Crystallographic Server supplies crystallographic programs and databases using the International Tables for Crystallography. The website is divided into six sections to help users gather their needed information efficiently. Within each section, users can chose specific criteria to find data and can view...

The BioEd Online website from the Baylor College of Medicine offers a cornucopia of resources for biology teachers, including slide sets, presentation notes, and podcasts. This particular resource deals with the aftermath of the March 11, 2011 Japanese earthquake and tsunamis. Created by Gregory L. Vogt, these instructional materials include information about how satellite images are used by...

The Bureau International des Poids et Mesures (BIPM) is the organization that "ensures world-wide uniformity of measurements and their traceability to the International System of Units (SI)." The BIPM also conducts measurement-related research, such as accurate measuring of ionizing radiation. From the website (in both English and French), visitors will find "direct access" to metric conversion...

Maintained by the Michigan Sea Grant and Michigan State University's Remote Sensing and GIS Research and Outreach Service, this web site offers data on current surface temperatures of the five Great Lakes. Using interactive maps, users can specify size of temperature maps by the entire lake, a region, or a port. Students can find educational materials about general temperature concepts such as...

This website was first launched in 1996 and it is sponsored and operated by the U.S. Environmental Protection Agency. The Clean-Up Information (CLU-IN) website "provides information about innovative treatment and site characterization technologies to the hazardous waste remediation community." There are several sections worth a look here, and visitors might first want to check out the "Issues"...

The Dartmouth Flood Observatory performs research and collects data on the space-based measurement of surface water "for research, educational, and humanitarian applications." On their homepage visitors are presented with a global map of current flooding, complemented by links to data sets related to historic flood levels from 1985 to the present. Visitors can also click on the "Active Archive of...