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Hands-on experiments with planaria

Introduction Freshwater planaria, nonparasitic invertebrate animals belonging to the phylum Platyhelminthes, the flatworms, are organisms that are well-suited to educational purposes. They are easy to maintain under laboratory conditions[1] as they require minimal resources and can survive in a…

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A map of the stars

From notebook sketches to space-telescope data: explore how mapping starlight using the Herzsprung-Russell (H-R) diagram helps us trace the life stories of stars across the universe.

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Radioactivity in the classroom

Luis Peralta, professor at the University of Lisbon’s physics department, and Carmen Oliveira, physics and chemistry teacher at Casquilhos High…

     

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How plants beat jet lag

New research is shedding light on the internal ‘clocks’ that help plants respond to changing day-night…

           

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Science in a toilet-paper roll

On a roll: a humble roll of toilet paper can be used in science experiments explore diverse topics in materials science, chemistry, and physics.


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