Mexico City / DPA Many people think of archaeologists as people who excavate dry earth at scorched sites, or dust off relics with small paintbrushes under piercing sunlight, perhaps donning hats in the style of Indiana Jones. This is not the case with Pilar Luna’s team. Their gear consists of air tanks, wetsuits, diving fins and dive tables for …

  Frankfurt / DPA There was a time when postal services were about gathering heavy sacks full of letters, painstakingly sorting the mail manually and delivering letters on heavy-duty bicycles. Not any more – with everything from drones and self-driving cars coming up, postal services are rushing into a robotic future. In some nations, today’s sorting offices are dominated by …

  Bloomberg US refiners exported record amounts of oil products last week, taking market share from struggling competitors in Mexico and the Caribbean. Almost 4 million barrels a day of gasoline, distillates like diesel and heating oil, and propane left the country as refiners in Texas and Louisiana processed the most crude in at least 24 years. Demand has grown …