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Researchers at King's College London have found no significant link between eating the evening meal after 8pm and excess weight in children, according to a paper published this month in the British Journal of Nutrition.

Previous evidence suggested that the timing of food intake can have a significant impact on circadian rhythms (i.e. the body's internal daily clock) and therefore on metabolic processes within the body, potentially leading to an increased risk of being overweight or obese.

However, the evidence from studies in children is limited so King's researchers set out to establish whether the timing of children's evening meals was associated with obesity.

Decommissioning the Fukushima Daiichi Nuclear Plant just got one step closer. Japanese researchers have mapped the distribution of boron compounds in a model control rod, paving the way for determining re-criticality risk within the reactor.

To this day the precise situation inside the Fukushima Daiichi Nuclear Plant is still unclear. "Removing fuel debris from the reactor contaminant vessel is one of the top priorities for decommissioning," says lead author Ryuta Kasada of Kyoto University.

Among critically ill patients, expectations about prognosis often differ between physicians and surrogate decision makers, and the causes are more complicated than the surrogate simply misunderstanding the physicians' assessments of prognosis, according to a study appearing in the May 17 issue of JAMA.

In a study appearing in the May 17 issue of JAMA, Reshma Jagsi, M.D., D.Phil., of the University of Michigan, Ann Arbor, and colleagues conducted a survey of clinician-researchers on career and personal experiences, including questions on gender bias and sexual harassment.

In a 1995 survey, 52 percent of U.S. academic medical faculty women reported harassment in their careers compared with 5 percent of men. These women had begun their careers when women constituted a minority of the medical school class; less is known about the prevalence of such experiences among more recent faculty cohorts.

One belief is that Jupiter's moon Europa has a deep, hidden ocean of salty liquid water beneath its icy shell. Whether the Jovian moon has the raw materials and chemical energy in the right proportions to support biology is a topic of speculation and  the answer may hinge on whether Europa has environments where chemicals are matched in the right proportions to power biological processes. Life on Earth exploited such niches and still does today.

Mountains aren't the first thing that hit you when you look at images of Jupiter's innermost moon, Io. But once you absorb the fact that the moon is slathered in sulfurous lava erupted from 400 active volcanoes, you might turn your attention to scattered bumps and lumps that turn out, on closer inspection, to be Io's version of mountains.There are about 100 of them, and they don't look anything like the low lying volcanoes.

They also don't look like mountains on our home world. While we favor majestic ranges stretching from horizon to horizon, the mountains on Io are isolated peaks of great height that jut up out of nowhere. From space, they look rather like the blocky chips in the fancier kind of chocolate chip cookie.