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The best thing about this technique is that you always discover things you weren't expecting when you look at a fish from the outside you hardly have any idea what's inside it. and when you have a new cleared specimen and look at it under the microscope it's incredible how many amazing structures you can discover. and they can come. for example here in syria now or in the share or taiwan where the scientists have conducted field studies searching for new species of fish many of their specimens come from swamp areas in africa or from asian fish markets every specimen is examined using a microsc...

Light signals are vehicles how long the light will remain green. the vehicle knows exactly when the traffic signal world turned red. early field studies have proved promising. in the future the vehicle will be able to identify where other road users are located in this highly linked environment the vehicles would also be able to identify pedestrians. there would be a continuous flow of data identifying everyone on the road. researchers believe this could make traffic much safer. i know is there to construct it one of the most promising projects for the future is networking to find this would a...

What inspired you to make in? >> so, it actually started off as a senior design project. i worked with a separate team of undergraduates, and we worked with a nonprofit organization called japigo which is an affiliate of johns hopkins and active in 50 countries worldwide, but we were working on a test to screen for preeclampsia which is where we came up with the idea of protein screening test using a pen. we have been able to work with the group not only with the development of the pen, but to help conduct field studies last fall, and we are continuing to schedule more field studies in the com...

where she'll stop until she's been there. she turned up this morning at the national archives in her words highlighting america's foundation and contemplating a run for president in 2012. yesterday palin hit the streets with rolling thunder, the motorcycle rally honoring america's m.i.a.s and p.o.w.s. but we think she'll be in gettysburg, pennsylvania later today. jim acosta, she's used the word "foundation" a lot this morning. is she laying the foundation for a presidential run? >> reporter: well, you know, we're not hearing a whole lot, to be quite honest, because that is the game ...