An exhibition at the National Museum of American History examines how humans influence and judge investigation techniques Arsenic tests for the Lydia Sherman trial of 1872 Brian Handwerk - Science ...

PHILADELPHIA (CBS) -- For 65 years the nation has been waiting for investigators to determine the identity of the boy who became known as America's Unknown Child or "The Boy in the Box." Now, we know ...

The committee will review research on science investigations and engineering design for middle and high school students conducted since publication of America’s Lab Report (2006) to inform the ...