Plant Fibers Make Stronger Concrete

It may surprise you that cement is responsible for 7 percent of the world's carbon emissions. That's because it takes a lot of heat to produce the basic powdery base of cement that eventually becomes concrete. But it turns out that simple fibers from carrots could not only reduce that carbon footprint but also make concrete stronger. VOA's Kevin Enochs reports.

Featured Post

Facebook Unable to Identify Who Was Behind Network of Fake Accounts

Facebook said Tuesday it had been unable to determine who was behind dozens of fake accounts it took down shortly before the 2018 U.S. midte...