The latest reporting, guides and features on Free Resources.
Obsidian stores readable Markdown files on your device, with Sync and Publish sold separately. New mobile features may reach early-access users before the public release.
October 22, 2026 · 4 min read
Coffee filters, washable markers and a little water are enough for ACS's beginner chromatography activity. Compare the colors that spread from each dot.
October 19, 2026 · 3 min read
The National Park Service's downloadable activities give children a way into fossils without making a purchase or promising a souvenir from a park.
October 14, 2026 · 4 min read
Municipal Archives photographs and maps can trace changes at a New York City address, with property-tax surveys offering a particularly detailed starting point.
October 13, 2026 · 4 min read
The October download choice is between a newer feature branch and a mature branch with a November 30 support deadline. Match the build to the work and maintenance you need.
October 8, 2026 · 3 min read
The free reference manager organizes books, papers and web pages for projects that need a bibliography. Its October maintenance update addresses full-text and PDF problems.
October 7, 2026 · 3 min read
JPL supplies a printable template for a paper rocket launched with a drinking straw. Build it, measure the flight and change one feature at a time.
October 5, 2026 · 4 min read
The Index of American Design turns shoes, toys and household objects into subjects worth a second look. A small library exhibition offers a way in.
October 1, 2026 · 4 min read