Glassy menagerie of particles in beach sands near Hiroshima is fallout debris

Mario Wannier, a career geologist with expertise in studying tiny marine life, was methodically sorting through particles in samples of beach sand from Japan’s Motoujina Peninsula when he spotted something unexpected: a number of tiny, glassy spheres and other unusual objects. Wannier, who is now retired, had been comparing biological debris in beach sands from … Read more