Patients who need a life-saving implant may soon be able to get a customized one from a 3D printer. In the first procedure of its kind, surgeons replaced the sternum and a portion of the rib cage with a 3D-printed titanium sternum and rib implant. The procedure, performed in a 54-year-old Spanish man with a chest wall sarcoma, was reported in a recent issue of the European Journal of Cardio-Thoracic Surgery.
To date most research into what drives the composition of ecosystems has focused on macroevolution, factors such as extinction events, invasion of new species, or large shifts in population abundances. A study in Nature Communications now shows that microevolution — small changes within a single population — is an equally important yet hitherto overlooked shaper of multi-species communities.