Page 3 - Flat Surface News Today : Breaking News, Live Updates & Top Stories | Vimarsana

>> what conclusion can you draw about how these fractures and these injuries were caused? >> one impact on a very hard, flat surface. that's my opinion. >> reporter: dr. spitz said the science showed russell adkins had been telling the truth. dana had hit her head on the road after falling out of a car. and the original autopsy, which identified three small abrasions on her elbows and shoulder, proved that. >> the abrasions were significant to him, that abrasions to the elbows and the shoulder are indicative of a fall. when you fall back, your arms tend to go back to brace yourself from the fa...

Feet deep. so very heavy, small objects will sink well into that silt. an object with a large, flat surface will not. it will sink slightly. a very heavy, small object would sink, so a lot depends on how the airplane is broken up, whether it's remained in tact or being shattered. that will play a big part. >> certainly will. jeffrey thomas, thanks to you as well. thanks to our panel here in d.c. we're going to stay on top of this story, obviously, for our viewers. still ahead, we're going to show you how those new pings are helping search crews narrow the target area and hopefully find an ac...

Range to glide quite some distance. >> it had the ability to glide depending on altitude. >> assuming you have someone in control of the airport a. in theory you could or would try to set it down on the water. the miracle on the hudson is the perfect example. that was done with an air bus 320, a much smaller aircraft. this is considered to be a jumbo jet. here are alerts you're trying to get. the plane is trying to tell you, if you're this low, why don't you have the landing gear down. the reason is -- >> it would make the plane flip. you want to land on the belly, flat surface. >> you see how...

Thing. you're not knock out. anyone who's ever fallen and hit their head hard knows what i'm talking about, the stunning effect. but -- you know, you hit your head hard, you understand what it means. >> there has been some discussion in the testimony about punctate abrasions. let me show you exhibit 66. are there punctate abrasions evident in this photo? >> right here. you can see little reddish markings. that indicates that there was impact with with a surface, flat surface, that was not really smooth, like this wood here. if you hit your head on this wood here, you would not get punctate. yo...

>>gretchen: 43 minutes after the top of the hour. a damaging day for the prosecution in the george zimmerman murder trial in florida. one of their key witnesses switching sides now. live from the courthouse. melissa, what can you tell us? >> good morning. yesterday a very busy day in testimony. one of the people that stood out was a medical examiner from jacksonville. she analyzed pictures of george zimmerman after the shooting took place and she said that she did not believe, in her medical opinion, his cuts and bruises were all that bad. listen to a little bit of her testimony. >> we've been...