Science & Nature
1422 sites
Subcategories:
- Astronomy & Space (393)
- Chemistry (8)
- Earth Sciences (24)
- Biology (78)
- Physics (29)
- Mathematics (53)
- Weather & Climate (103)
- Amateur Radio (681)
- Electronics (45)
https://www.qsl.net/kb6mms
Rick, KB6MMS, shares his passion for QRP low-power amateur radio operation, documenting CW contacts made with just 5 watts and simple wire antennas to destinations as far as Antarctica and Japan. The site includes kit reviews, homebrew antenna projects, online log books, and characterization data for the K1 rig, making it a solid resource for minimalist ham radio enthusiasts.
https://terriblelizard.info/
Built by a librarian and PhD student researching the cultural history of dinosaurs in children's media, Terrible Lizard blends academic bibliography, subject guides, and curated open-access resources in the spirit of old-school faculty homepages. Visitors will find ecohorror reading lists, dinosaur-related databases, language resources, and topic shrines organized with a librarian's careful hand.
https://web.psrg.org/
The Puget Sound Repeater Group (PSRG) is a Seattle-area amateur radio club managing a network of repeaters, remote HF stations, and regular nets for ham radio operators in the Pacific Northwest. The site offers member resources, licensing exam info, educational presentations, and tools like live voter scopes and EchoLink/AllStar connectivity details.
https://n4gn.com/sr
Tim Totten (N4GN) built this dedicated archive for the 1997 BS7H amateur radio DXpedition to Scarborough Reef, one of the rarest DXCC entities in the world. Visitors can search the expedition's QSO log, review operating frequencies and bulletins, meet the operating team, and explore QSL card information from this historic contact event.
https://nzart.org.nz/nzart
The New Zealand Association of Radio Transmitters (NZART) is the national membership organization for amateur radio operators in New Zealand, offering licensing guidance, study resources, exam information, and emergency communications coordination through its AREC volunteer network. With over a century of history leading up to its 2026 centenary, the site includes band plans, repeater maps, branch directories, and the association's long-running publication Break-In.
https://weather.cod.edu/
NEXLAB at College of DuPage is a meteorology lab and weather data hub offering satellite imagery, radar, numerical models, and local forecasts for the Illinois/DuPage region. Run by COD's meteorology program, it also supports storm chasing activities, academic coursework, and real-time campus weather conditions.
https://www.qsl.net/k/kb7tbt//links
KB7TBT's ham radio links page is a well-organized curated directory of amateur radio resources spanning personal ham pages, local and national clubs, ATV groups, email forums, repeater councils, and commercial outlets. Created in 1998 and maintained through 2013, it serves as a comprehensive jumping-off point for hams interested in Arizona-area radio activity as well as broader national amateur radio communities.
https://tigertronics.com/
Tigertronics is the home of the SignaLink and BayPac series of sound card radio interfaces, offering products and resources for amateur radio digital mode operation. The site serves ham radio operators looking to connect their radios to computers for modes like packet, PSK31, and other digital communications.
https://www.fossils-facts-and-finds.com/earth_science_links.html
Fossils Facts and Finds is a comprehensive educational resource covering paleontology, geology, and geologic time, with detailed pages on everything from trilobites and ammonites to the Cambrian period and T. rex. This links page curates a wide collection of earth science and geology sites, complete with descriptions, making it a useful jumping-off point for students, teachers, and fossil enthusiasts alike.
https://solarviews.com/eng/mars.htm
Calvin J. Hamilton's comprehensive Mars reference page covers everything from the planet's geology and atmosphere to its moons, polar regions, and exploration missions like Viking, Pathfinder, and the Mars Rovers. Packed with images, animations, 3D galleries, and scientific articles, it serves as a deep-dive educational hub for anyone fascinated by the Red Planet.