We’re firing up the five most popular songs in the Billboard Hot 100 Pop Singles chart, for the week ending April 21, 2018. Things really jump on this week’s lineup as we welcome two new tracks — including the Hot …

Recently, the world was stunned to learn that an island of mostly plastic trash, floating in the Pacific Ocean, grew to the size of France, Germany and Spain combined. Because plastics take centuries to decompose, could civilization someday choke in …

What if refilling a prescription was as easy as withdrawing money from an ATM? A South African tech company wants to make that possible. Its innovation, the Pharmacy Dispensing Unit, is being tested in Johannesburg, and health experts say it …

For every man, woman and child on Earth, there is roughly 1 ton of plastic trash, according to a recent study. Advocates say tackling such a huge problem can start with a tiny step. With Earth Day coming up April …