
What can tusks tell us about the lives of mastodons?
+ Curated links to hands-on paleontology activities
+ Background videos on tusk growth and isotope analysis
+ Audio version of article
+ 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
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