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This guide connects the radioactive carbon-14 dating of newly exposed mosses in the Arctic to the bigger story of climate change.

Students will simulate the exponential radioactive decay and half-life of carbon-14 with pennies and a food coloring/bleach chemical reaction.

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

This guide explores the recent discovery of a neutron star collision and encourages students to make connections to stellar evolution, gravitational waves and fusion reactions.

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.

Students will answer questions related to the Science News article "Neutron star crash seen for the first time."

This guide describes how origami robots can perform various tasks while being driven by a solenoid, and then asks students to make their own simple solenoids.

Students will construct their own simple solenoids and conduct experiments to measure the solenoids' properties.

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

Students will search the Science News archive for earlier articles about transformational robots.