Ignore the flim-flam, and President Donald Trump is offering some good ideas with his infrastructure proposal. The question is whether it’s too little, too late. Broadly, the plan envisions spending $200 billion to stimulate investment by states and businesses, with a goal of restoring roads, bridges and so on. It also aims to simplify regulation. With customary modesty, the White ...

Remember “war”? That thing where countries would gather up a bunch of people, give them weapons, and have them slaughter each other and pillage the countryside? For most of the past 3,000 years, war was a more-or-less constant feature of human life. Psychologist Steven Pinker, in his book The Better Angels of Our Nature: Why Violence Has Declined, chronicles the ...

Can recycling save the world from a looming shortage of cobalt? The idea has sound precedent. Lead — an essential ingredient in traditional car batteries, just as cobalt will be for the coming generation of lithium-ion cells — is probably the most extensively recycled industrial raw material on earth. With cobalt demand from cars, electric buses and utility-scale batteries set ...