About 60 truckloads of debris that could contain tiny fragments of bone or tissue were unearthed by construction crews that have been working on the new World Trade Center in recent years.

WSJ: Sifting of Sept. 11 debris for remains begins anew

Also an EPG member, Manish Jain has taken Pune's Kumar construction group into high-tech tissue culture.

CNN: Recasting the Mind

In the U.S., some universities and corporate laboratories are conducting research on "bioprinting, " or artificial construction of body parts using living human tissue.

WSJ: Next to Use 3-D Printing: Your Surgeon