CARMAKERS are again in regulators’ headlights over emissions, on both sides of the Atlantic. On January 13th French prosecutors announced they were investigating Renault for “suspected cheating” on diesel emissions.
RENEWABLE energy is often generated in places far from the cities and industrial centres that consume it. To boost renewables and drive down carbon-dioxide emissions, a way must be found to send energy over long distances efficiently. The technology already exists. Most electricity is transmitted today as alternating current (AC).
ONE in eight deaths worldwide is due to high blood pressure. The condition is the main risk factor for heart and kidney disease, and it greatly increases the chances of a stroke. A new study published in the Lancet, a medical journal, shows how common it is—and challenges some received wisdoms.
A resolution My resolution this year is “more social, less social media”. I’m sure I’m not the only one. As we all know, social media can work wonders but it can also be addictive. And of course the comments can be toxic: it only takes one mean tweet to ruin anyone’s day. (Many people […]
WHY do Americans spend so much on health care? Two common explanations are government meddling and tangled incentives, but a new study by economists Liran Einav, Amy Finklestein and Atul Gupta finds that reality may be more complicated.