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://museum.state.il.us/exhibits/mazon_creek/about_mazon_creek.html
An educational exhibit from the Illinois State Museum exploring the famous Mazon Creek fossil deposits, dating back approximately 300 million years to the Pennsylvanian Period. Visitors can browse detailed pages on specific plant and animal fossils found in ironstone concretions, learn about the Francis Creek Shale formation, and explore why this site is considered one of the world's premier Lagerstätten.
https://f1rum.fr/
F1RUM's blog is a French amateur radio enthusiast's personal journal covering topics like Meshtastic mesh networking, Morse code learning challenges, SOTA field operations, SDR hardware, and digital modes like MFSK. The site also includes a logbook and digimap, and participates in the Fediverse.Radio web ring, making it a genuine hub for the radioamateur community.
http://cbat.eps.harvard.edu/index.html
The Central Bureau for Astronomical Telegrams (CBAT), hosted at Harvard University since 1966, is the official IAU clearinghouse for announcing new astronomical discoveries including comets, novae, supernovae, and other transient celestial events. Visitors can browse online IAU Circulars, subscribe to discovery feeds, explore lists of supernovae and comets, and learn how to submit their own astronomical observations.
http://nightskylive.net/
NightSkyLive.net appears to be a site dedicated to live or near-live views of the night sky, likely featuring sky cameras or astronomy broadcasts. The domain name strongly suggests a focus on real-time celestial observation for stargazers and astronomy enthusiasts.
https://theastronomer.tripod.com/
Tammy Plotner's astronomy site is a sprawling personal observatory journal covering years of nightly observing reports, constellation starhop guides, solar and lunar photography, aurora sightings, and deep sky sketches. With content spanning from 2001 to 2007 and sections on Messier studies, planetary transits, and star parties across Ohio and beyond, this is a genuine labor of love for backyard astronomers.
http://finitegeometry.org/sc/16/quiltgeometry.html
Created by Steven H. Cullinane, this page explores the mathematical geometry underlying quilt block design, connecting symmetry theory to traditional patchwork patterns. It organizes curated resources across three difficulty levels, from elementary classroom guides to advanced topics like block designs in art and mathematics.
http://wasan.jp/english
Created by Hiroshi Kotera, this site documents Sangaku, the beautiful geometric theorems that Japanese scholars of all social classes inscribed on wooden tablets and dedicated to shrines and temples during the Edo period. It offers images of surviving Sangaku tablets and serves as a rare English-language window into this uniquely Japanese mathematical tradition dating back to 1996.
https://www.qsl.net/oe7cwj
Christian Wieser's amateur radio page, hosted on QSL.net under the callsign OE7CWJ, appears to be a minimal personal station page that redirects visitors to a new site at qsl.net/oe3cwj. The QSL.net domain and Austrian callsign prefix make clear this belongs to a licensed ham radio operator from the OE (Austria) region.
http://users.rcn.com/rmacedo
Robert Macedo's homepage covers emergency communications in Eastern Massachusetts, with a focus on ARES, RACES, and SKYWARN activities including severe weather activation reports dating back to 1997. The site documents real storm events like nor'easters, tropical storms, and severe weather outbreaks alongside training drills, NWS Taunton SKYWARN program info, and links to ham radio and weather resources nationwide.
https://wb1gof.org/
PART of Westford (WB1GOF) is the Police Amateur Radio Team of Westford, Massachusetts, an ARRL Special Service Club with over 45 years of history serving Eastern Massachusetts ham radio enthusiasts. The site covers club activities including fox hunting, D-Star repeaters, emergency communications, kit-building sessions, and a newsletter archive called Particles stretching back to 2000.