Category BackStory

Why peaceful times are called “halcyon days”

The phrase “halcyon days” refers to a period of peace, happiness, and prosperity — often looked back on with nostalgia. It can also literally denote a stretch of calm, mild winter weather. The term comes from Greek mythology. Alcyone (or…

The 29 principles that guide a Bishnoi way of living

The Bishnois are a Hindu community known for their deep-rooted commitment to environmental protection and ethical living. The sect was founded in the late 15th century by Guru Jambheshwar, also called Jambhoji, in the Marwar region of present-day Rajasthan. He…

The longest word in English, and what it means

Pneumonoultramicroscopicsilicovolcanoconiosis is often cited as the longest word in the English language, clocking in at 45 letters. Despite its intimidating length, the word is more of a linguistic curiosity than a term used in everyday medicine. The word refers to…

Why Perplexity AI calls itself an “answer engine”

Perplexity AI was founded in August 2022 by Aravind Srinivas, Denis Yarats, Johnny Ho, and Andy Konwinski. It reached a $20 billion valuation by September 2025 following significant funding rounds, maintaining this figure into early 2026. Unlike traditional search engines…

Understanding blockchain: the technology behind trust

Blockchain technology is a decentralized, distributed ledger system that records transactions across many computers. Each “block” in the chain contains a list of transactions, and once a block is validated via network consensus and completed, it’s added to the chain, creating an…