ePostcard #128: Glass in Nature (Part 3)

ePostcard #128: Glass in Nature (Part 3)

ePostcard #128: Glass in Nature (Part 3) Photo Credit: Courtesy of the Icelandic Meteorological Office (via phys.org). Dateline: Reykyavik, Iceland March 20, 2021. This dramatic image captures volcanic glass in the making in Iceland! A long-dormant volcano on the...
ePostcard #127: Glass in Nature (Part 2)

ePostcard #127: Glass in Nature (Part 2)

ePostcard #127: Glass in Nature (Part 2) Photo Credit: Courtesy of Brandon Markin, James Zigras and Avant Mining (Blue Springs, Arkansas). The “Bouquet” quartz cluster photographed here is displayed at Avant Mining, which has become the largest quartz...
ePostcard #126: Glass in Nature (Part 1)

ePostcard #126: Glass in Nature (Part 1)

ePostcard #126: Glass in Nature (Part 1) Photo Credit: NASA/SOFIA/Lynette Cook. Artist’s impression of the collision of two protoplanets. BORN OF EARTH & FIRE Glass is born of earth and fire, and our modern world would be unrecognizable without this remarkable...
ePostcard #125: Sea Glass Lessons

ePostcard #125: Sea Glass Lessons

ePostcard #125: Sea Glass Lessons Photo Credit: Sea glass photograph courtesy of the North American Sea Glass Association (NASGA) and Jane Claire McHenry (sea glass from Islamorada in the Florida Keys). When I was growing up, collecting sea glass was a favorite beach...
ePostcard #124: The Plastic Tsunami

ePostcard #124: The Plastic Tsunami

ePostcard #124: The Plastic Tsunami Photo Credit: Courtesy of Florida Sea Grant. THE PLASTIC TSUNAMI Sea turtles have spent the past 100 million years roaming seas free of plastics. Today, the global impacts of plastic pollution on marine biodiversity are among the...