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This article discusses the ongoing debate among researchers about what happens when a person takes a psychedelic drug. Boris D. Heifets, an associate professor of anesthesiology at Stanford University School of Medicine, explores the different factors that contribute to the psychedelic experience. He categorizes these factors into three groups: the biochemical drug effect, the conscious experience related to changes in sensation and feelings, and the nondrug factors such as expectations and the setting in which the drug is taken. Heifets conducted a study using ketamine during general anesthesia to examine the biochemical drug effect and found that nondrug factors, such as expectations and feelings of hope, can contribute significantly to the therapeutic effects. He also discusses the possibility of creating a reproducible and powerful experience without the use of a psychedelic drug. Overall, the article highlights the importance of understanding the various components of the psychedelic experience in order to develop effective therapies. [Extracted from the article]

The article from Scientific American explores different styles of curiosity by analyzing Wikipedia search patterns. Researchers identified three types of curiosity: the "busybody," the "hunter," and the "dancer," based on how individuals navigate through topics. The study linked curiosity styles to location-based indicators of well-being, inequality, and education levels, suggesting that cultural factors may influence browsing behavior. This research sheds light on the diverse ways in which people engage with information and connect ideas, offering insights into human behavior and curiosity. [Extracted from the article]

Insects are not attracted to artificial light sources for the reasons commonly believed. A recent study conducted by researchers at Imperial College London, Florida International University, and the Council on International Educational Exchange found that insects become disoriented around artificial light, losing their sense of up and down. This is because insects typically use the brightness of the sky to maintain their orientation, but artificial light confuses them. With the increase in light pollution and the decline in insect populations, new forms of lighting may be necessary to protect these important creatures and maintain the health of ecosystems. [Extracted from the article]