Generally, we expect that surveys representing the same target population should produce estimates that are consistent with one another; that is, measures taken at roughly the same time should not ...

Conflicting findings are often reported in microbiome association studies, which could be due to insufficient sample sizes and numerous confounders. A new study, utilizing two large-scale human ...

Suppose you buy a major asset like a new piece of machinery. Under standard accounting rules, you cannot write off the cost of the machinery in the year you incur the expense. Rather, you have to ...

An illustration of the various elements of the overall Mars Sample Return effort. Credit: NASA/JPL-Caltech WASHINGTON — NASA has confirmed that one scenario for the cost of its Mars Sample Return (MSR ...