When scientists in Canada came across a female polar bear with two cubs in the fall, they made an unusual discovery: One of the young was not her own offspring but instead a rare documented example of ...

Nature Sustainability publishes significant original research from a broad range of natural, social and engineering fields about sustainability, its policy dimensions and possible solutions.

Besides the pure diagnostic hysteroscopy, KARL STORZ also offers a large assortment for intrauterine high frequency surgery. By means of a resectoscope even more complex intrauterine operations can be ...