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://isws.illinois.edu/statecli/cuweather
Maintained by the Illinois State Water Survey and State Climatologist Dr. Jim Angel, this site provides detailed climate data for Champaign-Urbana going back to 1996, including daily and monthly temperature, precipitation, snowfall, and degree day records. It's a rich archival resource for anyone researching Illinois weather history, with links to real-time conditions, airport hourly data, and regional precipitation networks.
http://cryptocoryne-lagenandra-galerie.de/
A German-language gallery dedicated to Cryptocoryne and Lagenandra aquatic plants, featuring photographs and information about these popular aquarium plant genera and their hybrids. Enthusiasts of tropical water plants will find this a specialized visual reference for identifying and appreciating these fascinating species.
https://www.qsl.net/smcara/club_members.html
The St. Mary's County Amateur Radio Association (SMCARA) has been supporting amateur radio operators in southern Maryland since 1956, and this page presents their full club membership roster with call signs, license classes, and ARRL/volunteer examiner status. With 62 members listed and resources for becoming a ham radio operator, the site offers a solid look at an active regional ham radio club.
http://norcalsetac.org/
The Northern California Regional Chapter of SETAC serves students and professionals in environmental toxicology and chemistry, offering local networking, scholarships, and annual meeting opportunities. The site archives newsletters dating back to 2008 and provides information on board members, sustaining memberships, and a student-mentor lunch program.
http://rmbr.nus.edu.sg/
The archived web presence of the Raffles Museum of Biodiversity Research (RMBR) at the National University of Singapore, now preserved after the museum was renamed and relocated as the Lee Kong Chian Natural History Museum in 2014. Visitors can explore decades of biodiversity research, newsletters, symposium records, and an extensive 19th-century fauna of Singapore catalog with over 1,700 taxonomic entries.
https://oklo.org/
Oklo, written by Greg, is a long-running science blog that explores astrophysics, cosmology, and cutting-edge topics like interstellar objects, exoplanets, and the physics of computation. Posts blend deep technical thinking with wide-ranging curiosity, touching on thermodynamics, AI, and space science in a way that rewards careful reading.
https://spegweb.com/
Speg's personal site covers storm chasing, tornado information, travel, and photography, making it a classic old-web hobbyist destination with a clear passion for severe weather. Navigation sections hint at radio and TV links alongside personal writings, giving the site a broad but weather-focused appeal.
https://socalcontestclub.org/
The Southern California Contest Club, established in 1976, is the official web presence for a Southern California amateur radio contesting group, featuring a full calendar of upcoming ham radio contests including ARRL, CQ WPX, NAQP, and many other events. Visitors will find contest schedules, club information, and resources aimed at SoCal operators who participate in competitive radio contesting.
https://ourcolorfulcosmos.com/
Steve Mazlin, MD shares his stunning astrophotography collection at Our Colorful Cosmos, featuring images organized into sections covering nebulae, galaxies, star clusters, and the solar system. The image-heavy site showcases deep-sky photography from a dedicated personal observatory, with a companion YouTube channel under the handle 'mazlinithegreat' for additional content.
http://pasnola.org/
The Pontchartrain Astronomy Society, established in 1959, is a non-professional astronomy club serving Southeast Louisiana with events, observing sites, forums, and newsletters. Members gather to discuss celestial objects, attend star parties, and access resources like Clear Sky Charts and ISS sighting schedules for the New Orleans area.