ICI splits in two, forms drugs company

Killer splits

Although killer whales showed overall low levels of mitochondrial sequence variation, the researchers found three fixed differences between the open-sea type A whales compared with the two ice-inhabiting, other forms. " The genetic pattern suggests that, for females at least, there is no gene flow between them, " the authors write. But they do point out that the evidence for reproductive isolat...

Animal splits

of protein for the mountain pygmy possum, a tiny 45 g possum and the only mammal unique to alpine and subalpine areas of Australia. Pygmy possums have a range totalling less than ten square kilometres and almost entirely coincident with Australian ski resorts, so it is perhaps fortuitous for them that they hibernate during the winter. Winter-active mammals, like the dusky antechinus (a carnivor...

‘ Two ’ s Company , Three ’ s a Group ’

In this study, we use an allocation experiment to study the effects of group identity and group size on in-group favouritism when the person’s own payoff is not affected by her decision. In a triadic setting when subjects are asked to allocate a fixed amount of resource between two other anonymous individuals, the majority of the subjects choose to allocate equal amounts to both the in-group an...

Two is company, three is a crowd.

The use of pacemakers and central venous catheters (CVC) has become commonplace in the field of medicine. In the past, superior vena cava (SVC) syndrome was almost always associated with malignant occlusion of the SVC. However, with the increased use of pacemakers and implantable cardioverter-defibrillators (ICDs) almost 30% of all cases are related to the use of intravascular devices today. We...

Matroids from hypersimplex splits