The findings offer potential ways to find people at high risk of suicide, and perhaps to treat them and prevent future suicides.
And, the researchers said, they also offer insights into how neglect and abuse can perpetuate unhealthy behavior through the generations.
Moshe Szyf of McGill University in Montreal and colleagues studied the brains of 18 men [...]

Paola Laiolo and colleagues at the Spanish Council of Research (CSIC) studied the metapopulation system of the Dupont’s lark in north-eastern Spain and found an association between individual song diversity and the viability of the population as a whole, as measured by the annual rate of population change. This association arises because males from the [...]

For the first time, scientists have shown that it is more difficult for women to replace muscle that is lost naturally as they get older — because of key differences in the way their bodies react to food.
Experts at Washington University School of Medicine in St Louis, Missouri, USA and The University of Nottingham, UK [...]

What happens in the interval remains a mystery. It is sometimes possible to spot them offshore in the North Atlantic. Some even swim to very high latitudes (Canada) in search of their favorite food (principally jellyfish). Argos beacons have recently revealed that some females were swimming in two principal directions: the north as would be [...]

The fossilised ankle and ear bones are those of Australia’s earliest known marsupial, Djarthia, a primitive mouse-like creature that lived 55 million years ago. It is a kind of Australian Eve, possibly the mother of all the continent’s unusual pouched mammals, such as kangaroos, koalas, possums and wombats.
But a new study has confirmed that Djarthia [...]