iBiology:iBiology’s mission is to convey, in the form of open-access free videos, the excitement of modern biology and the process by which scientific discoveries are made.
Brain Brooder:Contains the free biology book by OpenStax, intermingled with lots of exercises to help you remember the contents.
Cells Alive:Watch a step-by-step animation of these and many other processes for a greater understanding.
ActionBioScience: This site offers articles written by professors and emerging scientists alike. Topics include biotechnology, biodiversity, genomics, evolution, among others.
Microbes.info:The site offers reliable microbiology resources with articles and links for deeper study.
The Biology Project:It has been designed for biology students at the college level but is useful for high school students, medical students, physicians, science writers, and all types of interested people.