Nucleic acid extraction from biological samples is inherently difficult to execute consistently across different tissue types. Some tissue matrices are fibrous, contained in protective cell walls, or ...

Many school districts and policymakers are stepping up efforts to teach students the skills they need to be prepared for the jobs of the future. One big area of focus is STEM. Jobs in science, ...

Teachers can use these questions to draw students out and get worthwhile formative assessment responses to guide instruction.

Among high school students and adults, girls and women are much more likely to use traditional, step-by-step algorithms to solve basic math problems – such as lining up numbers to add, starting with ...