STORY: From Tesla feeling the strain to Lockheed Martin's new drone fighter... This is Tech Weekly.:: Tech WeeklyTesla missed analyst profit forecasts for the second quarter.And Elon Musk's EV giant also reported negative free cash flow for the first time in more than two years.It comes with Tesla accelerating its spend on infrastructure for its AI and robotics ambitions.The automaker beat expectations with revenue of $28.2 billion.But adjusted profit in the quarter was 33 cents per share, lower than analysts' expectation of 51 cents per shareScientists from a U.S.-funded facility have prepared to launch the first outdoor tests of genetically modified screwworm flies, called Novofly.It's part of efforts to develop a more effective weapon against the flesh-easting parasite, which has spread through Central America and into the U.S.Alex Arp is a USDA research geneticist."Where instead of using pesticides to kill insects, we sterilize the insects, release a ton of them out into the enviro...