The mathematics publishing company Worldwide Center for Math offers a number of instructional videos related to upper-level mathematics, including algebra, trigonometry, and precalculus (YouTube 2018).

The Navigator features direct democracy procedures and practices worldwide (2018-20).

The user-friendly map provides insights on environmental rights and environmental policy worldwide (USA 2021). 

The index tracks hunger at global, regional, and national levels. GHI scores are calculated each year to assess progress and setbacks in combating hunger (d/e: Concern Worldwide and Welthungerhilfe 2021).

ʺShareAmerica is the U.S. Department of State’s platform for communicating American foreign policy worldwide. We share compelling stories and images that spark discussion and debate on important topics like religious freedom, rule of law, economic prosperity, human dignity and sovereignty.ʺ Quelle: Anbieter

ʺLearn English for free with 1736 video lessons by experienced native-speaker teachers. Classes cover English grammar, vocabulary, pronunciation, IELTS, TOEFL, and more. Join millions of ESL students worldwide who are improving their English every day with engVid.ʺ Quelle: Anbieter (2021)

This BBC series consists of 26 parts and features archive footage and photographs collected from sources worldwide. There are interviews with war veterans and extracts from diaries, letters and reports from the war (YouTube 2014).

The National Security Strategy Report is published by the executive branch of the United States government.  It is intended to be a comprehensive statement articulating the worldwide interests, goals, and objectives of the United States that are important to its security (2023).

The National Association for Research in Science Teaching (NARST) is a worldwide organization of professionals committed to the improvement of science teaching and learning through research. Since its inception in 1928, NARST has promoted research in science education and the communication of knowledge generated by the research. The ultimate goal of NARST is to help all ...

Writing, speaking and listening are communication skills that are important in all subject areas in the curriculum. Hence, literacy should have a central position in the curriculum. Even so, differences between students’ levels of literacy mean that some students fail to acquire the verbal foundations for learning. For this reason, increasing numbers of students fall short of ...