Introduction

Today, you’ll learn about a tantalizing new discovery about dark energy that could change our understanding of the entire universe, how scientists are pulling electricity from raindrops, and the barcode memory tool inside a chickadee’s brain.  

Dark Energy 

• “A Tantalizing ‘Hint’ That Astronomers Got Dark Energy All Wrong.” by Dennis Overbye. 2024.  
• “What Is Dark Energy? An Astrophysicist Explains.” Ars Technica. YouTube Video. 2023.  
• “What is Dark Energy? Inside our accelerating, expanding universe.” by Chelsea Gohd. 2024.  
• “DESI Data Documentation.” Database. 2023. 

Electric Rain 

• “New green technology harvests energy from raindrops and humidity.” by Robert F. Service. 2024.  
• “The Amazing Drinking Bird.” by Brian Rohrig. 2024. 
• “Rapid progress of key clean energy technologies shows the new energy economy is emerging faster than many think.” IEA.org. 2023.  

Chickadees 

• “Chickadees use memory ‘bar codes’ to find their hidden food stashes.” by Jake Buehler. 2024.  
• “Barcoding of episodic memories in the hippocampus of a food-caching bird.” by Selmaan N. Chettih, et al. 2024.  
• “Birdist Rule #71: Figure Out What Kind Of Chickadees You’ve Got.” by Nicholas Lund. 2016.  
• “Somewhere in the brain is a storage device for memories.” by Laura Sanders. 2018.  
• “A manifold neural population code for space in hippocampal coactivity dynamics independent of place fields.” by Eliott Robert Joseph Levy, et al. 2023.  
• “Heterogeneous representations in the hippocampus.” by Kazumasa Z. Tanaka. 2021.  

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