Science and Medicine
Henri-Étienne Beaunis (2 August 1830 – 20 July 1921) was a French physiologist and psychologist. He defended the thesis of the Nancy School in the field of hypnosis. He is known for his works on anatomy, physiology, psychology and hypnosis.
Actinic keratosis.
2017 dengue outbreak in Sri Lanka.
Text from Wikipedia; plate via Wikimedia Commons. Text CC BY-SA 4.0; plate freely licensed (see Commons). Source record. Images and catalogue data are reproduced from open-access collections.