A mysterious white sand fell on Martinez. Now residents fear their soil is unsafe. Three months after a refinery accident showered the city in toxic dust, county warns residents about eating from ...

Sand, even when it’s appropriate, can acidify your soil, so you’ll want to monitor the pH to ensure you can counteract the acidity if necessary. Golf courses might use local beach sand, which ...

If you've ever seen small, cone-shaped pits in fine soil or sand, you've likely found an antlion trap. These pit-building insect larvae hide beneath the surface, waiting to ambush ants and other ...

High sand content soil: A ball of soil falls apart when you open your hand. Sand is quick draining but has a limited ability to retain nutrients and moisture.

The system is described by its creators as a cost-effective solution for water heating by storing thermal energy in fine sand. Techno-economic analysis indicated the system is economically viable ...