
Biology
Why do sharks sleep?
+ Two reading levels available
+ Lesson Idea video about curated activities
+ Article translated into Spanish
+ Two reading levels available
+ Lesson Idea video about curated activities
+ Article translated into Spanish
+ Lesson idea video on bone loss in astronauts
+ Article translated into Bulgarian
+ Links to microgravity lesson plans
+ Introductory video on underwater vents
+ Article translated into Dutch
+ Curated links to lessons about hydrothermal vents