Infographic via Oxford University Press
Gale In Context: Science is an engaging resource that provides contextual information on hundreds of today's most significant science topics. Drawing students in with captivating subject matter, Science showcases how scientific disciplines relate to real-world issues ranging from bacteria to obesity and weather.
The Digital Maine Library provides every resident of Maine with access to online resources that include a collection of full text articles and abstracts from magazines, newspapers, journals and reference. It also provides students, business people, public library patrons, and higher education students and educators the ability to use online learning tools.
These are some recommend database from the Digital Maine Library:
The Ancient Earth globe by C.R. Scotese and Ian Webster allows you to browse different geologic time periods on earth by millions of years ago or by special events like the first dinosaurs or first plants.