Scientists have succeeded for the first time in impregnating an elephant with frozen sperm, ultrasound pictures presented by Vienna's Schoenbrunn Zoo showed on Tuesday.

An ultrasound image from Operation Frozen Dumbo shows the foetus with developing trunk and legs. The mother is nine months into her pregnancy, expected to last 22 months.

Appropriate sizing of the frozen elephant trunk: How to predict proximal descending aortic diameter prior to dissection? Journal: Journal of Thoracic and Cardiovascular Surgery Published: 2024-01 ...

A bump in the elephant brain stem pointed scientists to the wrinkles on their trunks and the role those folds play in the animal’s life.