France's research agency splits up

Novation splits up sutures, endo devices.

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...

Mary Frances Lyon (1925–2014)

Mary Frances Lyon Mary Lyon was one of the most notable geneticists of the 20th century. She is renowned for her discovery of X inactivation, an early example of epigenetic gene regulation, but she alsomade fundamental contributions to the entire field of genetics. Mary was born on May 15, 1925 in Norwich, in the rural east of the United Kingdom. She was the first child of Clifford James Lyon, ...

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...

Matroids from hypersimplex splits