IA
Grok AI Guide: What It Is, How to Use It, and Where It Fits
A practical guide to Grok, xAI's chatbot: how to access it, what it's good at, its X integration, privacy points, and how to use it well for study and work.
O blog do ZeroTell
Guias práticos para escrever com clareza, usar IA com honestidade e mandar e-mails que recebem resposta.
Artigos recentes
IA
How AI Helps ESL Students With Academic Writing
Practical ways ESL students can use AI for grammar, vocabulary, structure, and feedback in academic writing while keeping their own ideas and voice.
E-mails
How to Ask for a Reference in an Email (5 Samples & Templates)
How to ask a manager, professor, colleague or client to be your reference by email, what to include, and five sample requests you can adapt.
E-mails
How to Ask for Feedback in an Email (5 Samples & Templates)
How to ask managers, colleagues, clients and customers for useful feedback by email, with specific questions, good timing, and five sample emails.
Escrita
How to Build an Academic Outline in 15 Minutes with AI
A timed, step-by-step method for turning an assignment prompt into a solid essay outline with AI help, while keeping the argument and the writing your own.
Escrita
How to Cite a Lecture in APA, MLA and Chicago
Cite a live lecture, lecture notes, slides or a recorded lecture in APA 7, MLA 9 and Chicago, with reference formats, in-text citations and fictional examples.
Escrita
How to Cite a PDF in APA, MLA and Chicago
A PDF is a file format, not a source type. Learn how to identify what your PDF really is, then cite it correctly in APA 7, MLA 9 and Chicago with examples.
Escrita
How to Cite a Poem in MLA, APA and Chicago (With Line Numbers)
How to cite and quote poems in MLA 9, APA 7 and Chicago: works-cited entries, line numbers, slashes for line breaks, block quotes and poems found online.
Escrita
How to Cite a PowerPoint Presentation in APA, MLA and Chicago
Reference formats and in-text citations for PowerPoint slides in APA 7, MLA 9 and Chicago, including course slides, public slide decks and conference talks.
Escrita
How to Cite a YouTube Video in APA, MLA and Chicago
Cite a YouTube video correctly in APA 7, MLA 9 and Chicago: who counts as the author, how to format the title and date, and how to add timestamps in-text.
E-mails
How to Confirm Receipt of an Email (5 Samples & Templates)
When and how to confirm you received an email, documents or a payment, what to say beyond 'received', and five short acknowledgment samples you can copy.
IA
How to Detect Humanized AI Content: Signs Beyond the Score
Humanized AI text can look natural to a detector. Learn the signs that remain, how to check substance and sources, and how to review fairly.