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These discussion prompts cover the basics of radioactive decay and carbon-14 dating, as well as concepts related to climate change.

Students will search the Science News archive for stories related to frozen mosses, radioactive carbon-14 dating and global warming.

Students will answer questions about how scientists measure the age of newly thawed mosses in the Arctic, and the implications of those scientists' findings.

To better understand the life cycle of stars, students will estimate the conditions involved in stars and element formation.

These discussion prompts cover the principles of spectroscopy, stellar evolution and fusion reactions.

Students will search the Science News archive for other stories on neutron star collisions and gravitational waves.

These discussion prompts cover topics related to materials science, magnetism, and biological adaptation and self-assembly.

Students will answer questions about how a cubic metallic robot wraps itself in different exoskeletons to perform different functions.

These discussion prompts focus on gene activity and analysis, the immune system and how vaccines work.

These discussion prompts focus on neurons and their signals and how magnetic resonance imaging works.

Students will search the Science News archive for other stories related to brain connections and learning.

In this activity, students will build, test and optimize their own batteries using various metal electrodes and liquid electrolytes.