
Why is it so hard to bring back extinct species?
+ Audio version of article
+ Curated links to de-extinction activities
+ Link to DNA Interactive
+ Audio version of article
+ Curated links to de-extinction activities
+ Link to DNA Interactive
+ Audio Version Available
+ Links to activities about collecting and researching tardigrades
+ Link to TED Ed video about tardigrades
+ Audio version of article
+ Curated links to lessons about paleontology
+ Lesson idea video on SJK evolution activity
+ Audio version available
+ Links to lessons about climate change
+ Link to video about leopard seals by National Geographic
+ Audio version available
+ Links to lessons about stem cells
+ Link to TED-Ed talk about stem cells in medicine
+ Audio version available
+ Links to lessons about blood and circulation
+ Lesson idea video on circulation game
+ Curated links to hands-on paleontology activities
+ Background videos on tusk growth and isotope analysis
+ Audio version of article
+ Lesson Idea Video on Antibiotic resistance natural selection lab
+ Link to Nuclear Science Week lesson plans about nuclear power
+ Audio version of article
+ Article translated into Spanish
+ Link to HHMI Disease Detective Activity
+ Curated links to lessons on vaccines, viruses, and disease
+ Audio version of article
+ Article translated into Bulgarian
+ Lesson idea video on greenhouse effect experiment
+ Curated links to other climate change lessons
+ Audio version of article