{Ebola has surfaced in a remote part of the Democratic Republic of the Congo (DRC), the first outbreak of the disease since the West African epidemic that killed more than 11,000 people before it came to an end 2 years ago. A vaccine proved its worth in the West African epidemic—which hit major cities—but it […]

{Milk cartons, toys, grocery bags, bubble wrap, machine parts, and even artificial hips. Every year, humanity makes more products from polyethylene than any other plastic, about 100 million metric tons in all. We also throw a lot of it away. Polyethylenes make up about 60% of the plastics in landfills worldwide, where they degrade slowly […]