好奇的头脑、实验与值得了解的事物。进来吧，这里有你的位置。
你可以成为稳定的光，不必声张。
The Daily Bellringer is a history video channel made as a quick opener for class, giving students short lessons to start the lesson. Short history videos built for the start of class, useful to teachers and students wanting a quick topic.
举报JapanesePod101 is a language-learning company whose YouTube channel offers lessons in Japanese vocabulary, phrases and conversation. Structured Japanese lessons for beginners and up, covering everyday phrases and listening practice.
举报Mr Duncan is an English teacher who has made English lessons on video for many years, with relaxed, clearly spoken explanations. Slow, clearly spoken English lessons that suit learners who want relaxed listening practice.
举报Mathispower4u is a video library of math lessons for students, parents and teachers, covering a wide range of school and college topics. A large set of short math lesson videos that students and parents can look up by topic.
举报Andreas Spiess makes videos on small electronics projects, tutorials and sensor reviews using ESP8266, ESP32, Arduino and Raspberry Pi. Practical microcontroller projects and honest component reviews for hobbyists who build things.
举报Ancient History Guy is a video channel presenting ancient history in animated, narrated videos about civilizations and events. Animated overviews of ancient civilizations and events, helpful for newcomers to the period.
举报Elia Bombardelli publishes Italian-language math video lessons, meant for quick revision before a test or exam. Italian-language math lessons for students who need fast review before an exam.
举报Today I Found Out is the video channel of TodayIFoundOut.com, publishing short videos on interesting facts and how things work. Short fact-of-the-day style videos that explain odd bits of history, science and everyday life.
举报Crime Pays But Botany Doesn't is a plant science video channel with an irreverent tone, covering plant ecology and evolution. Plant ecology and evolution explained with a blunt sense of humor, for people curious about botany.
举报Animalogic is a video channel asking why animals look, act and evolve the way they do, with deep dives into animal biology. Longer looks at animal behavior and evolution for viewers who want more than a quick fact.
举报Natural World Facts is a video channel run by Leo, a marine biologist and science communicator, covering animals and nature. Animal and nature videos from a marine biologist, accurate and easy to follow.
举报Ben G Thomas makes videos about life and science, aiming to teach in an entertaining way and show how living things work. Entertaining videos on biology and life science for curious general viewers.
举报AntsCanada is a video channel about keeping ants and the lives of ant colonies, shown through close-up footage of their nests. Close-up ant colony footage and care guidance for anyone interested in keeping or watching ants.
举报Anthill Art makes videos about casting ant colonies with molten aluminum, producing sculptures of the nest structure below ground. Shows what the inside of an ant nest looks like by casting it, a hands-on look at colony architecture.
举报Made in the Wild is a video channel showing animal species up close, with the aim of helping viewers learn about different species. Up-close species profiles for people who want to learn about a wide range of animals.
举报Stated Clearly makes animated explainers on genetics, evolution, biology and chemistry, aligned with US science education standards. Clear animated explanations of genetics and evolution, suited to students and teachers.
举报Nature on PBS is the YouTube home of the PBS Nature series, with clips and full programs about wildlife and the natural world. Documentary wildlife clips from a long-running public television series on nature.
举报Microbehunter is a video channel on microbiology, showing microbes under the microscope and explaining how they affect everyday life. Microscope footage that shows microbes most people never see, with plain explanations.
举报215 座 casa 等你漫游。 赞助展示始终明确标识。
我们为每种兴趣挑选人物、刊物与资源，每个都有自己的 casa，等你走进去看看。
250 座精心打造的 casita，每座都有自己的个性，等你变成自己的家。