Medizin
6 cards from across every topic, each citing a source. Tap one to open it in the feed.
- How bacteria run evolution in a matter of days.
Take an antibiotic and most bacteria die. A few happen to carry a mutation that protects them. Those survive and …
- In some metals, current flows forever without loss.
In 1911 Heike Kamerlingh Onnes cooled mercury to 4.2 kelvin and watched its electrical resistance drop abruptly to …
- In the 1830s, merchants sold tomato ketchup as medicine.
In 1834 physician John Cook Bennett of Ohio declared that tomatoes cured diarrhoea and indigestion and protected …
- One of the first clinical trials: 12 sailors, 6 treatments.
In 1747, the Scottish ship's surgeon James Lind divided twelve scurvy patients aboard HMS Salisbury into six pairs and …
- The pandemic that killed every second European.
Between 1346 and 1353, the Black Death, caused by the bacterium Yersinia pestis, raged through Europe, North Africa and …
- Why 'quarantine' literally means 'forty days'.
In 1377 the port city of Ragusa, today's Dubrovnik, ordered ships arriving from plague areas to wait in isolation for …