Most frogs emit a attribute croak to entice the interest of a probable mate. But a number of frog species that call around loud streams — the place the sound might obscure all those very important really like tracks — increase to their phone calls by visually showing off with […]
glass
Glass beads from medieval sites suggest more complex trade networks
Impression: Beads analyzed in this examine view more Credit score: Miriam Truffa Giachet & Nicolas Spuhler Report Title: “Compositional and provenance analyze of glass beads from archaeological web sites in Mali and Senegal at the time of the 1st Sahelian states” Funding: This examine has benefitted from funding by the Swiss […]
Brain Cells Turned to Glass Found in a Victim of The Vesuvius Eruption
Preserved mind cells have been identified in the continues to be of a young person who died in the eruption of Mount Vesuvius in seventy nine CE. The mind cells’ structure is nevertheless visible in a black, glassy material identified in the man’s skull. The new discovery of this structure, explained on […]
New method solves old mystery: Hafnium isotopes clinch origin of high-quality Roman glass
Image: A single of the colourless Roman glass sherds from Jerash, Jordan, analysed in this examine. Purple splashes are iridescence thanks to weathering. perspective more Credit rating: Danish-German Jerash Northwest Quarter Venture. Glass is an immensely fascinating archaeological content: Though its fragility and splendor is intriguing in itself, geochemical scientific tests […]