Science & Nature
1439 sites
Subcategories:
- Astronomy & Space (396)
- Chemistry (8)
- Earth Sciences (26)
- Biology (79)
- Physics (30)
- Mathematics (59)
- Weather & Climate (104)
- Amateur Radio (682)
- Electronics (47)
https://qsl.net/qarg
The Quincy Area Repeater Group (QARG) was a club of licensed amateur radio operators in West Central Illinois who established and maintained the 147.195MHz 2M repeater serving the Quincy, Illinois and North Eastern Missouri area. The site serves as a historical record of the group's 18-year operation before transferring control to the Western Illinois Amateur Radio Club, including a full list of charter members and their callsigns.
http://reptile-database.org/
The Reptile Database, maintained by Peter Uetz and Jiří Hošek since 1995, is a comprehensive scientific reference cataloging all known reptile species including lizards, snakes, turtles, crocodiles, tuataras, and amphisbaenians. With advanced search tools, downloadable data, and regularly updated species counts backed by a team of volunteer editors, it serves as a definitive taxonomic resource for herpetologists and enthusiasts alike.
http://djburnette.com/chasing
Dr. Dorian J. Burnette, a meteorology professor, documents his storm chasing expeditions dating back to 1997 with a detailed archive of chase logs organized by year. The site emphasizes scientific purpose, safety, and education, reflecting his practice of bringing students into the field to witness real atmospheric events firsthand.
https://www.qsl.net/oz1gmq/hamlinks.htm
A sprawling directory of ham radio operator homepages from around the world, maintained by OZ1GMQ and featuring hundreds of links to individual amateur radio stations, clubs, repeater listings, and related resources. Visitors will find connections to emergency preparedness groups like RACES and ARES, regional radio clubs, and a wide variety of personal ham radio pages spanning multiple countries and call signs.
http://ccs.neu.edu/home/amislove/twittermood
Researchers at Northeastern and Harvard University mapped U.S. emotional mood patterns across time and geography using over 300 million tweets from 2006 to 2009. The project features time-lapse video visualizations, density-preserving cartograms, and findings on daily and weekly mood cycles across the country.
http://ka7oei.blogspot.com/2026/03/modifying-mfj-5008-parabolic-ultrasonic.html
KA7OEI is Clint's technically-focused amateur radio and electronics blog, covering hands-on modifications and experiments with devices like the MFJ-5008 parabolic ultrasonic receiver. This particular post dives deep into improving the sensitivity and frequency response of the discontinued ultrasonic tool, with detailed photos, circuit analysis, and practical applications like bat detection and power line fault finding.
http://milueth.de/Moose
Michael Lueth's extensive photographic flora documents mosses, liverworts, and other bryophytes across Europe and beyond, with photo diaries from dozens of field excursions spanning from Svalbard to Madeira. The site features hundreds of species-level plant photographs organized by location and expedition, making it a remarkable visual reference for bryophyte enthusiasts and botanists alike.
https://www.qsl.net/wb1asl
WB1ASL's personal ham radio page dedicated to vintage 'boatanchor' radio equipment, featuring Rich's own collection including a Hammarlund HQ-170 and a Lil' LuLu prototype. The site also curates shortwave listening links including Glenn Hauser's World of Radio and DXing resources for radio enthusiasts.
https://rutar.org/
Alex Rutar is a mathematics postdoctoral researcher specializing in fractal geometry, dynamical systems, and dimension theory, with affiliations at the University of Jyväskylä and a PhD from the University of St Andrews. His site serves as an academic hub linking to his publications, expository writing, CV, and open-source developer tools built around LaTeX and terminal utilities.
https://www.qsl.net/lcarc
The Logan County Amateur Radio Club (LCARC) serves ham radio enthusiasts in Logan, West Virginia, about 60 miles south of Charleston. The site provides information on club repeaters, meeting details, membership applications, and archives for this reviving local radio club.