they've gotten new information from reconfigured satellite information to hone in better on the search information and now are moving better assets to pick up on the ping from what possibly are the black boxes from the air plain. our cnn live coverage continues now with natalie allen in atlanta. >> this is cnn breaking news. >> welcome to our continuing coverage. i'm natalie allen. to our viewers around the world and in the united states, thank you for joining us. straight to our top story. dramatic developments in the search for malaysia airlines flight 370. search planes and ships are heading for an area where chinese searchers have now twice detected electronic pulse signals in the southern indian ocean. that world from australian authorities a short while ago who also say the australian ship