In 1816, French physician Rene Theophile Hyacinthe Laennec had a young woman on his exam table, and no idea what to do with her. The examination up to that point suggested a diseased heart, but Laennec wasn’t sure how he would confirm that.

MEDICINE
A new study finds that saline water is more effective at cleaning wounds than soap.
Some researchers believe that infection with parasitic worms can stimulate the immune system and reduce inflammation. Others are not so sure.
Lewy Body Dementia affects an estimated 1.4 million people in the U.S.
A hospital in Raleigh, North Carolina has become a Thanksgiving dinner hotspot.
Dr. Henry Heimlich’s innovative research led to this life-saving technique, but he ran into major issues with the American Red Cross.
The DOD recently gave a $10 million contract to a University of Alabama research team to begin human safety testing trials on a synthetic estrogen that may be able to save the lives of wounded soldiers and trauma patients.
None of the treatments worked, but the composer kept trying.
Nurses say that on Monday, Grindley "sprinted around the floor."
A newsreel shows what life was like for contacts-wearers before the invention of soft and breathable lenses.
A hemispherectomy is a rare surgical procedure in which half the brain is removed. Most people with half a brain live pretty normal lives.
Flotation REST is a form of sensory isolation that some researchers say could treat chronic pain, anxiety, and more.