Science And Education x402 offerings

Newly discovered exoplanets (NASA Exoplanet Archive), newest first, with method, size, mass and orbit

Full text of a Project Gutenberg book in paragraph-aligned parts, with title, author and chapter index

ESP32 microcontroller primer for Arduino developers - toolchain setup, 3.3V logic and FreeRTOS dual core

YouTube channel growth guide - CTR, watch time, thumbnails, titles and A/B testing from a 900k channel

What extra PCB solder pads are for - test points, UART/SWD/JTAG programming, rework and variants

International Space Station position right now, plus the people currently in space

Nobel Prize laureates by name, year or category - prizes, motivation, share and affiliations

Paper lookup by DOI, arXiv id, PMID or OpenAlex id - abstract, authors, venue and citations

Newest arXiv submissions by category and keyword - title, authors, abstract and PDF link

Find research papers for a topic before drafting or answering. Search OpenAlex by text and optional year, citation or open-access filters; results include titles, authors, venue, DOI, citation counts and source links.

Periodic table element data by symbol, name or atomic number - mass, configuration, melting and boiling points

Planets visible tonight from any location - best viewing time, altitude, direction and elongation

Search 75,000+ public-domain books on Project Gutenberg by title or author

Search the Qur'an by word or phrase in any translation - matching ayahs with references

Bhagavad Gita Verse (Sanskrit, transliteration, translations) — Religion & Texts

Bible passages by reference in 1,000+ openly licensed translations, with side-by-side comparison

Qur'an by surah, ayah or range - Arabic text with 100+ translations, surah name and revelation place

Species lookup by scientific or common name (GBIF) - taxonomy, common names, IUCN status and occurrences

Open Trivia DB category ids and names, for filtering trivia questions

University directory search by name, country or domain - ~9,900 institutions with websites and domains

Upcoming rocket launches worldwide - time, status, provider, rocket, mission and pad

Word of the day with part of speech and definition

Trivia questions from Open Trivia DB by category, difficulty and type, with answers and choices

Disambiguate a researcher and return their profile: works count, citation count, h-index, institutions with ROR, top concepts and top works. Give an orcid for a resolved profile, or a name for ranked candidates. Distinct people are never merged.