January 2, 2013
Generating Antibodies; War and Medicine; Slowing ALS

January 7, 2013
Detecting Heart Transplant Failure; Mental Health Strategy; Genomics in the Clinic

January 14, 2013
Mysteries of Autism; Hearing Restored; New Tool for Genome Engineering

January 22, 2013
Malpractice Time Sink; Student Showcase; Endoscopy Pill

January 28, 2013
New Melanoma Mutations; HIV and Generic Drugs; Learning Disabilities and Anesthesia

February 4, 2013
Gridiron Partnership; Family Matters; Feeling Your Pain

February 11, 2013
Breaking Bottlenecks; Residents’ Hours; Breast Cancer Clues

February 19, 2013
Hair and Evolution; Aging Blood; Of Men and Mice

February 25, 2013
Bacterial Battlefield; Weight and Mortality; Fetal Alcohol Clues

March 4, 2013
Pediatric Cancer Pathway Unmasked; Aspiring Radiologist; Open Heart

March 11, 2013
Salt and Disease; Red Wine Benefits; Easing Schizophrenia

March 18, 2013
Reducing TB Mortality; Environment and Alzheimer's; Bone Growth

March 25, 2013
Viral Grappling Hook; Celebrating the Match; Esophageal Cancer Clues

April 1, 2013
Parkinson's Clue; New Wrinkle for Botox; Microbes and Weight Loss 

April 8, 2013
Isolating Cancer; Genetic Comparisons; RNA Errors

April 15, 2013
Bioengineered Rat Kidney; New Systems Pharmacology Lab; Healing by the Clock

April 22, 2013
Young Adults & Health; Regulating Aggression; Restoring Sight

April 29, 2013
Potential Diabetes Breakthrough; NEPRC Decision; Blocking Alzheimer's?

May 6, 2013
Inside Embryos; Genes and Relaxation; Brown Fat 

May 13, 2013
Cancer Driver Found; New HHMI Investigators; Declining Free Care

May 20, 2013
Endothelium, Heal Thyself; Risky Gender Gap; Spontaneous Heart Mutations

May 28, 2013
Lifespan Machine; Healing Haiti; New MATH for Cancer

June 3, 2013
Advice to HMS Grads; Stopping MRSA; Autism Feedback

June 10, 2013
Silencing Itch; Training for Reform; Obesity's Risky Roots

June 17, 2013
Viral Architecture; Murray's Heirs; Therapeutic Divide and Conquer

June 24, 2013
Balancing Act; Launching Therapeutics; HMS to Space

July 1, 2013
Engineered Bacteria; Secrets of Aging; Gene-Editing Tools

July 8, 2013
Food Addiction; Medicine on the High Seas; Throwing Hard

July 15, 2013
Rett Mutations Revealed; Uncompromised Care; Cancer's Mighty Mite

July 22, 2013
Marathon Trauma; New Blood; Obesity Mutation

July 29, 2013
Bypassing Diabetes; Democratizing Data; Tracking Brain Tumors

August 5, 2013
Cancer and Heart Failure; Modular Vaccines; Back Basics

August 12, 2013
Genome Mysteries; First Birthday; Tumor Vaccine

August 19, 2013
Insulin Signaling Boost; Seeding Global Health; Glowing Protein

August 26, 2013
Class of 2017; Bacteria & Pain; Red Hair Risks

September 3, 2013
TB Drug Resistance; Risky Business; Contagious Savings

September 9, 2013
Newborn Genomes; Virus Sleuth; Heart Disease & Diabetes

September 16, 2013
Gender Pay Gap; HHS Nomination; Programmable Glue

September 23, 2013
Hunger Pains; Skin Saver; HIV Risk

September 30, 2013
Cancer Gene Search; Neuroscience Pioneer; Strong Voice

October 7, 2013
Tears for Fears; Decoding Sound; Mutant Proteins

October 15, 2013
Curve Ball; Genetic Revolution; Boosting Brain Health

October 21, 2013
Radical Recoding; Neonatal Genetics; Ring Studies

October 28, 2013
Light Talk; Learning to Think; Doubling Forces

November 4, 2013
Cancer Driver; Hospital Choices; Evicting Leukemia

November 12, 2013
The July Effect; Doctor's Orders; Immune Turbocharger

November 18, 2013
Mitochondrial Mystery; New Clinical Skills Era; Surgeon General Nomination

November 25, 2013
Unnecessary Testing; Targeting Genital Herpes; Damage Control

December 2, 2013
Protocell Progress; Checking Global Pulse; A Peanut a Day

December 9, 2013
Healing Potential; Second-Year Show; Erasing Fear Memories

December 16, 2013
Making Choices; Changing Our Brains; Pathogen Mutants

December 23, 2013
Reversing Age; Autism Clusters; DNA Revelations