While people may be used to the notions of fishing for food and drilling for oil and gas, another marine resource has increasingly caught the attention of governments and companies: metals and rare-earth minerals.

A team of Massachusetts Institute of Technology (MIT) engineers has unveiled a deceptively simple process that extracts hydrogen—one of the cleanest fuels on earth—by mixing seawater, coffee grounds, and scrap aluminum.  

Becoming a botanist was a natural career path for Robin Wall Kimmerer, a Potawatomi citizen. The professor of environmental biology and best-selling author grew up in upstate New York, where she loved to wander through the countryside and forests.