PRI's The World Jul 4, 2013

Kevin "Kit" Parker is a Harvard bioengineer. He's also an Army officer who served in Iraq and Afghanistan. At his Harvard lab, he tries to come up solutions for problem plaguing people in the military -- like inadequate camouflage. And he hires student vets to help him do the work.

Egypt's military is moving against the leadership of the Muslim Brotherhood after top judge Adly Mansour was sworn in as interim leader.

More than $1 billion in US aid to Egypt is in jeopardy given the abrupt power shift in Cairo.

The forced removal of Mohamed Morsi from power in Egypt is certain to send confusing signals across the region, especially to other Islamist groups. Anchor Marco Werman speaks with Robin Wright, author of "Rock the Casbah: Rage and Rebellion Across the Islamic World".

For those suffering from post-traumatic stress disorder, July 4th can be a frightening reminder of their experiences in Iraq and Afghanistan.

Reporter Deepak Singh shares his thoughts about observing July 4th in another country.

As Boston raises security for July 4th celebrations, anchor Marco Werman discusses the effects of the heightened security with trauma counselor Lisa Fliegel.

Our Geo Quiz is aimed at all of you who've ever sweated behind the hot smoky grill. Maybe you're searing steaks, flipping burgers or getting creative with homemade shish kabobs. The point is you're cooking over fire. But it's not just an American tradition, you can find it the world over. Just ask Steve Raichlen, author of Planet Barbecue who even came across a grill master in the Caucusus who grills icecream!

Anchor Marco Werman and World producer April Peavey play their favorite new music for the summer.