https://factosphere.org/Clear, sourced explanations of surprising and useful things across history, technology, geography, food, nature and science.en-us https://factosphere.org/animals-nature/narwhal-tusk-explained/https://factosphere.org/animals-nature/narwhal-tusk-explained/Thu, 08 Oct 2026 05:30:51 GMTThe narwhal’s spiral tusk is an elongated upper-jaw canine associated with sexual selection, sensory functions and several observed or proposed uses. https://factosphere.org/technology/the-evolution-of-video-game-technology/https://factosphere.org/technology/the-evolution-of-video-game-technology/Tue, 06 Oct 2026 10:07:09 GMTThis article examines how video game technology has developed over the years and its implications. https://factosphere.org/animals-nature/the-arctic-tundra-ecosystem/https://factosphere.org/animals-nature/the-arctic-tundra-ecosystem/Tue, 06 Oct 2026 09:39:01 GMTThe Arctic tundra is a resilient yet fragile biome shaped by extreme conditions. https://factosphere.org/food/honey-never-spoils/https://factosphere.org/food/honey-never-spoils/Sun, 27 Sep 2026 08:39:55 GMTHoney's chemical makeup and storage conditions make it able to resist spoilage for thousands of years. https://factosphere.org/animals-nature/urban-wildlife-of-toronto/https://factosphere.org/animals-nature/urban-wildlife-of-toronto/Thu, 01 Jan 1970 00:00:00 GMTCoyotes utilize anthropogenic subsidies within Toronto's urban environment.