Professor Jeff Karp, teaches biomedical engineering at Harvard Medical School and MIT joins the show to talk about the brain's neuroplasticity and how he adapted his brain to tackle his early learning disabilities and ADHD and shares how you can too.Then, biomedical engineer and blunt trauma specialist, Rachel Lance, explores how a team of scientists during World War II made science history by discovering how to breathe underwater, a crucial element in an eventual victory for Allied forces.