In the 1940s and ’50s, amid a booming economy and rapid scientific progress, a charismatic salesman sought to make his fortune with a chemical additive, AD-X2, that he claimed would revolutionize the car battery business. When tests from a prominent scientific agency showed that the additive was worthless, its director had to battle public opinion and political pressure to defend the importance of scientific integrity. More Info: www.nist.gov/ad-x2
Researchers used a noninvasive and label-free method called optical coherence tomography to assess the live cells in the 3D scaffold system. OCT is an imaging technique that uses light waves to take cross sectional images of a sample.