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ASL signs, tutorials and receptive practice.

British Sign Language video lookup and recognition practice.

Review whether account information appears in known breaches

Video editing tool for removing silence and filler words.

Japanese lessons with tailored tasks, flashcards and lookup tools.

Taxonomic lookup for plants, animals, fungi and microbes

Fish reference lookup by common or scientific name

Biographical lookup with period and occupation filters

Search the Medical Subject Headings vocabulary

Fill gaps in song lyrics while listening.

Heart, lung, blood and sleep references with related fact sheets

Spanish-English lookup combined with structured language lessons.

Chinese reading through graded news-based lessons.

Chinese graded reading with audio and contextual lookup.

AI grammar and writing checker for academic and technical writing.

Detailed German grammar and vocabulary explanations.

Hear words and phrases in real-world video clips.

Language learning through books, audio and movie excerpts.

Vocabulary review connected to everyday situations.

US water observations and data-access resources

Australian Sign Language videos and topic lookup.

Definitions connected to sentence examples and grammar articles

Technology and appliance shopping with store collection

English meanings connected to examples and related words