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DNA can be twisted like a rope in a process called DNA supercoiling. With DNA in its "relaxed" state, a strand usually circles the axis of the double helix once every 10.4 base pairs, but if the DNA is twisted the strands become more tightly or more loosely wound. [43]
This list is limited to programs that teach four or more languages. There are many others that teach one language. Alphabetical lists of languages show the courses available to learn each language, at All Language Resources, Lang1234, Martindale's Language Center, Omniglot, and Rüdiger Köppe.
This page was last edited on 20 February 2024, at 14:27 (UTC).; Text is available under the Creative Commons Attribution-ShareAlike 4.0 License; additional terms may apply.
Duolingo Inc. [b] is an American educational technology company that produces learning apps and provides language certification.Duolingo offers courses on 43 languages, [5] ranging from English, French, and Spanish to less commonly studied languages such as Welsh, Irish, and Navajo, and even constructed languages such as Klingon. [6]
Brainly is an education company based in Kraków, Poland, with headquarters in New York City.It is an AI-powered homework help platform targeting students and parents. As of November 2020, Brainly reported having 15 million daily active users, making it the world's most popular education app. [2] In 2024, FlexOS reported Brainly as the #1 Generative AI Tool in the education category and the #6 ...
In classroom learning, language immersion is often used to teach children in bilingual or content and language integrated learning programs. Digital language immersion is the E-learning extension of these trends. Lingua.ly relies on a number of applied linguistics principles, including the Natural Approach and Krashen's Input Hypothesis, which ...
Cartopedia: The Ultimate World Reference Atlas; Celestia; Google Earth - (proprietary license); Gravit - a free (GPL) Newtonian gravity simulator; KGeography; KStars; NASA World Wind - free software (NASA open source)
A screenshot of Beelinguapp showing English and Spanish simultaneously. Beelinguapp is a language-learning mobile application. It works by showing a text to the user in two languages simultaneously, allowing the users to use their native language as a references.