Today, you’ll learn about a new way to purify water simply by walking, robots controlled by liquid and rubber balls, and an accident that led to a wild discovery about bumblebees.  

Clean Water Walking  

• “Walking-induced electrostatic charges enable in situ electroporated disinfection in portable water bottles.” by Young-Jun Kim, et al. 2024.  
• “Freshwater Crisis.” National Geographic. N.d.  
• “A revolutionary solution for on-the-go water disinfection.” by Manish Kumar Sharma & Zong-Hong Lin. 2024.  

Metafluid 

• “Tiny rubber spheres used to make a programmable fluid.” by Jacek Krywko. 2024.  
• “Harvard’s bizarre ‘metafluid’ packs programmable properties.” by Michael Irving. 2024.  
• “Metamaterials.” News Atlas Database. N.d.  
• “Shell buckling for programmable metafluids.” by Adel Djellouli, et al. 2024.  

Underwater Bees 

• “Bumblebee species able to survive underwater for up to a week.” by Nicola Davis. 2024.  
• “Unveiling the submerged secrets: bumblebee queens’ resilience to flooding.” by Sabrina Rondeau & Nigel E. Raine. 2024.  

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