Scientists attempt to determine when volcanic eruptions might occur and how dangerous they may be.
British engineer Barnes Wallis invents a bouncing bomb which the pilots of 617 Squadron use to destroy two dams in Germany during World War II.
Air photo intelligence plays a vital role in defeating Hitler during World War II.
Doctors and researchers explore personalized, gene-based medicine.
David Pogue explores weird, extreme chemistry.
The science behind the tornado outbreak of 2011, tornado prediction and how communities can protect themselves from future storms.
Reconstructing the events leading up to cruise disasters, including the Costa Concordia, the MS Sea Diamond and the MTS Oceanos.
Modern forensics, including the analysis of fingerprints, bite marks, ballistics, hair and tool marks, can sometimes send innocent people to prison.
The rover named Curiosity touches down inside the Gale Crater on Mars.
The impact of Hurricane Sandy, the largest Atlantic hurricane on record.