For more than two years, Dulcie Shoener of Milwaukee has done daily German lessons on her smartphone. To some, that might sound like self-imposed homework, but Shoener, a language lover and the copy ...

Kateřina Chládková has received external funding from the Czech Academy of Sciences, Czech Science Foundation, and the Czech Ministry of Education. She consults for and co-develops the Mooveez ...

Karen Stollznow does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond ...