At the same time we have had observable increase in solar contribution, probably accounting for about half the estimated warming of the Twentieth Century17. (junksciencearchive.com)
In sub-analyses, however, there was an observable increase in risk for haemorrhagic stroke (the less common form) if the therapy contained the active substance conjugated equine oestrogens. (sciencedaily.com)
Outdoor learning also encourages fitness, and pupils come to appreciate the benefits that a healthy, active lifestyle can bring, and this spirit of motivation has been shown to transfer over to the classroom; there is an observable increased appetite for learning which contributes to rising levels of attainment in all subjects. (educationbusinessuk.net)