Science Struck
Science Struck: Locard's Exchange Principle in Forensic Science
'This resource describes some of the history of forensic science and what Locard's Exchange Principle is and how it is applied. Discusses the different types of trace evidence that investigators look for and some drawbacks of Locard's...
A&E Television
History.com: 5 Iron Age Tools and Innovations
New techniques helped make iron stronger -- but there were also innovations in the use of gold, silver and stone. "The earliest iron objects in the world...start showing up around 3000 B.C.," says Nathaniel Erb-Satullo, a lecturer in...
BiologyWise
Biology Wise: History of Dna Fingerprinting
Discusses the scientists who made discoveries about DNA and those who invented and worked on DNA fingerprinting, and some of the criminal cases that were resolved or thrown out through the use of DNA evidence. (Warning: Some of these...