If you've worked with concrete before, you have probably heard of the 90-minute rule. Here's what it is, where it came from ...

Add Yahoo as a preferred source to see more of our stories on Google. A close-up view of a mound of pea gravel - Suebsiri/Getty Images Mixing pea gravel with concrete is not only possible, it's ...

Concrete is everywhere, right? We walk on it, drive on it, build our houses on it. But producing the ubiquitous construction material makes up a significant portion of global greenhouse gases that are ...

The current environmental crisis is not only linked to climate change, but also to inadequate waste management and the ...

Mixing pea gravel with concrete is not only possible, it's actually beneficial for certain projects, as long as you do it correctly. Pea gravel consists of smooth, rounded stones that are typically ...

This story is free to read because readers choose to support LAist. If you find value in independent local reporting, make a donation to power our newsroom today. Concrete is everywhere, right? We ...