Mira qué bonito ejemplar de cristales de #Galena con #Siderita, #Calcita y #Pirita????
¿Sabías que los cristales de Galena tuvieron un importante uso en la etapa de las radios primitivas como elemento captador de señales (en sustitución al diodo detector)
We have a goal to visit all the parks in #sacramento - there are tons of these awesome parks tucked away in neighborhoods across the city. Here is a glimpse at our visit to Tanzanite Park recently. It got thumbs up from both of the boys for its playground
Did you know that Langston Hughes was only 18 when he wrote the classic American poem The Negro Speaks of Rivers? This is a poem that every child should know, and here is a gorgeous picture book you can use to share it! This poem is so visual that it...
