In January, climatologist Eric Steig of the University of Washington in Seattle and colleagues reported (Nature 457, 459 462; 2009) that warming was widespread across the continent.
Now, radio astronomers have discovered an elderly, rapidly rotating star known as a pulsar in the vicinity of the black hole, called Sagittarius A, that is providing some clues, reported Nature.
"Many wonder whether the NIH is making a mistake," reported Nature on a similar brain-mapping initiative in 2012, the Human Connectome Project, noting that force-feeding ambitious-sounding ideas could hinder more fundamental research.
This may be attributable to the self reported nature of the rating with students over rating their perceived abilities.
This study has a number of limitations such as the lack of comparison group, self reported nature of the survey, and the short duration of the intervention period.
The central trial office (CRCTU, Birmingham) kept detailed records of all AEs reported (nature, onset, duration, severity, outcome) and performed an evaluation with respect to seriousness, causality and expectedness.
The study also has certain limitations including self reported nature of the data, differences in time available to students for internet access and utilization at different institutions and the disparities in their levels of training.
We are reluctant to accept a reduction in personal training hours as a way to alleviate lower back health, because of other health implications of such interpretation, the self reported nature of current data, and the need for further clarification of the physical activity in this population.
