Tiny devices propelled by sunlight could explore a mysterious region of Earth's atmosphere

Cases of the chikungunya virus, transmitted by mosquitoes, are rising worldwide. This virus causes severe joint pain and fever, impacting many communities.

Editor’s Note: The surge in chikungunya cases is concerning as it affects public health and can strain healthcare systems. Understanding its spread and prevention is crucial for communities globally.

A preliminary study suggests that marathon runners may have a higher likelihood of developing precancerous growths related to colon cancer. The reasons behind this correlation remain unclear.

Editor’s Note: Understanding the potential link between extreme running and colon cancer is important for athletes and health professionals. This study raises questions about the long-term health effects of marathon running, prompting further research in the field.

The article discusses the potential peak in oil demand and the reluctance of the Trump administration to acknowledge this trend. It highlights the implications for energy policy and the economy.

Editor’s Note: Understanding oil demand trends is crucial for shaping energy policies and economic strategies. The Trump administration's stance could influence future investments and environmental considerations.

The khipu system, a unique method of recordkeeping using human hair, was not just for the elite in the Incan Empire. This discovery highlights the broader societal roles in recordkeeping.

Editor’s Note: Understanding the khipu system's widespread use reveals how the Incan Empire valued recordkeeping across different social classes, showcasing a more inclusive approach to information management.

A Black Moon will occur on August 23, but it won't be visible. This rare lunar event is significant due to its timing.

Editor’s Note: The occurrence of a Black Moon is a unique astronomical event that intrigues skywatchers and enthusiasts. Understanding such events helps us appreciate the complexities of our lunar cycles and their impact on cultural beliefs.