This database contains historical weather averages for urban areas worldwide. Users can access from among 85,000 records the rainfall, temperature and sea-level pressure averages (monthly and annually) for a city and its immediate environs. The latitudes, longitudes and altitudes for each location are given.

This browsable database is designed to help learners quickly find information about some of the creatures found in the animal kingdom. Most species' records include scientific classification, basic physical traits, fun facts, and conservation/ecological value.

This is a vast collection of searchable databases and interactive maps compiled by the federal government. Here you will find information on business, geography, population and demographics. The home page displays the current U.S. and world populations.

This searchable data bank includes nutritional information on fast food items in the form of Nutrition Facts labels required by law. The user can search for a restaurant chain, food category, an individual menu item, and sort by criteria such as calories, fat, sodium, fiber, etc. The Fast Food Facts Book is available for purchase.

This article provides definitions, explanations and calculations that go into the Nutrition Facts labels mandated by federal law in 1990. These labels contain information such as serving size, ingredients, and a breakdown of calories. The article uses a sample food label and provides the conversions of calories per gram and shows pie charts of the components. Finally, there is a glossary of terms and their quantitative definitions.

This interactive data bank contains the individual batting statistics from Major League Baseball's 2011 season (other years also available). Players from both leagues are included. The basic data set is sortable for 15 categories (fields such as at bats, average, home runs) and there are nine filters (e.g. league, position, age) by which to create subsets of players. Statistics are also available for pitching (cataloged separately) and fielding.

This interactive database contains the individual pitching statistics from Major League Baseball's 2011 season (other years also available). Players from both leagues are included. The basic data set is sortable for 15 categories (fields such as wins, strikeouts, earned run average) and there are seven filters (e.g. league, handedness) by which to create subsets of players. Also available are batting (cataloged separately) and fielding statistics.

This interactive databank provides information on the history, people, government, economy, geography, communications, transportation, military, and transnational issues for 267 world entities, and all can be accessed through clickable maps. There is a Kid's Page with interactive games for students in grades K-5 and in 6-12. The Reference tab includes: maps of the major world regions, as well as Flags of the World, a Physical Map of the World, a Political Map of the World, and a Standard Time Zones of the World map.

This database contains both numerical and descriptive data on the tallest mountains on earth. The information is presented in text, pictures and interactive maps and includes historic, geographical and numerical facts, including current weather data. Searches can be tailored to certain categories or locales.

This sortable database, compiled by the U.S. Bureau of Labor Statistics, contains employment numbers and salary estimates (both medians and means for hourly and annual pay) for a range of occupations. Links to detailed state-by-state breakdowns provide statistical maps of job counts and compensation.