Today, you’ll learn about a potentially risky new idea to geoengineer our way out of extreme heat, bad news for fans of artificially sweetened drinks, and an incredible new discovery about butterflies.  

Geoengineering 

• “Dehydrate the stratosphere to curb global warming? Scientists float new risky strategy.” by Paul Voosen. 2024.  
• “Contributions of Stratospheric Water Vapor to Decadal Changes in the Rate of Global Warming.” by Susan Solomon, et al. 2010.  
• “Considering intentional stratospheric dehydration for climate benefits.” by Joshua P. Schwarz. 2024.  

Artificial Sweeteners 

• “Artificially sweetened drinks linked to risk of irregular heartbeat, study finds.” by Erum Salam. 2024.  
• “Sweetened Beverages, GEnetic Susceptibility, and Incident Atrial Fibrillation: A Prospective Cohort Study.” by Ying Sun, et al. 2024.  
• “Atrial Fibrillation.” CDC. 2022. 

Butterfly Mimicry 

• “Butterflies mimic each other’s flight behaviour to avoid predators.” University of York. 2024.  
• “Butterfly Mimicry.” by Karin Kjernsmo. 2021.  
• “Mimicry in viceroy butterflies is dependent on abundance of the model queen butterfly.” by Kathleen L. Prudic, et al. 2019.  

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