They concluded that it is unlikely to be less than 2.1 feet or more than 5.7 feet based on current scientific understanding. (sciencedaily.com)
We chose this as the most recent estimate of vitamin B1 requirement, and the value that best reflects current scientific understanding. (whfoods.org)
Based on current scientific understanding, this requires that global greenhouse gas emissions need to be reduced by at least 50 % below their 1990 levels by the year 2050. (dotearth.blogs.nytimes.com)