Q: We have 1 mini Hereford on an acre that is downhill from our well. During the rainy months, I am worried that the rain will dissolve the cow manure and affect our water. Is that accurate? Or is that only a concern ...
Discover how a naturally occurring mineral like gypsum can be used to collect data for science and make cool art projects! Pat talks about how you can use Plaster of Paris to create track imprints.