42
Rio de Janeiro Power Grid
A massive hydroelectric project in Brazil has workers tunneling through seven mountains and building two dams.
Q&A :
Q: Who...
35
Gotthard Tunnel
Detailing construction of the Gotthard Base Tunnel in the Alps, which will be the world's largest rail tunnel when it's completed. Included:...
The work of scientists to determine the cause of Alzheimer's disease is detailed. Included: major drug trials aimed at discovering therapies to slow...
47
San Francisco Bay Bridge
Efforts to make the San Francisco-Oakland Bay Bridge earthquake-resistant.
Q&A :
Q: Who are the main cast members in "Build It...