Discover 25 hidden secrets of the 'Hobbit' species' human-like walk. Uncover surprising anatomical facts and evolutionary ...

Scientists have discovered seven new species of Madagascar’s elusive diamond frogs, using DNA from modern and century-old ...

When you’re a frog that lives near the roaring waterfalls and mountain streams of Panama, croaking to communicate with other amphibians is a lost cause. The noise of rushing water quickly drowns out ...

Aortic dissection can present with a wide variety of symptoms depending on the transient arterial occlusion during propagation of the dissection. Neurological manifestation, including hemiplegia, ...

A 70-year-old man. His family called for an ambulance because he suddenly complained of chest and back pain, followed by paralysis of his left upper and lower limbs. Observations upon ambulance ...

👉 "Tearing chest/back pain unlike anything felt before" → Suspect aortic dissection first. Blood pressure difference between arms is also important. Type A requires immediate surgery; Type B requires ...