A Nobel prize for an explanation of why nations fail A trio of economists just won a Nobel prize for their insights into how democratic and other inclusive institutions are critical for a nation’s prosperity. Read more on NPR

Petroleum drilling technology is now making carbon-free power A new technique for harvesting geothermal energy being pioneered in Utah has passed a significant milestone: Southern California Edison has contracted for enough of the energy to power 400,000 homes. Read more on NPR

Ukraine is amping up drone production to get an edge in the war against Russia Read more on NPR

Migrant deaths in New Mexico have increased tenfold Experts say smugglers are treating migrants more harshly and bringing them on paths that could be more dangerous in extreme summer temperatures. Read more on NPR

Canada expels India’s top diplomat and alleges wider diplomatic involvement in crimes Canada expelled India’s top diplomat in the country and five others over last year’s killing of a Sikh activist in British Columbia. India rejected the charges and said it would expel Canadian envoys. Read more on NPR

North Korea blows up parts of inter-Korean roads as tensions with South Korea soar Destroying the roads would be in line with Kim Jong Un’s push to cut off ties with South Korea and abandon the decades-long objective to seek a peaceful unification. Read more on NPR