Bloomberg Clear, the biometric screening firm long hobbled by a limited network, is landing in several major US airports soon—including New York’s LaGuardia—marking the start of an era that could radically accelerate your trip from curb to cabin. But there are some bumps to smooth out first. Clear, which started at JFK International Airport earlier this month, will open …

  Kitzbuehel / DPA Without my poles I would have been lost. I was using all my strength to push them into the slope and pull myself up. I had no idea the competition would be so hard. I was taking part in order to conquer one of the most dangerous ski runs in the world, the “Streif” in Austria’s …

  Ulm / DPA Landmines are notoriously difficult to clear away. Deminers have to bravely probe the ground, putting themselves in mortal danger. Explosives dogs are expensive to train. And if caterpillar-tracked vehicles are used to detonate the mines, they ruin the whole area in the process. Researchers are now investigating whether drones could be used to hunt for the deadly …