Finally, researchers must also manage logistical limitations. Scientists will often experience sample scarcity, financial issues, or simply be unable to access the technology or materials that they ...

Now, a comprehensive review of the literature on these empirical studies has uncovered two critical limitations in the ...

For example, in epidemiology ... This type of research does have some limitations though. Cohort studies are: more time-consuming and often more expensive than other types of studies less well ...

"Over 20 years ago, researchers discovered that most quantum states are entangled," Xiongfeng Ma, one of the researchers who carried out the study, told Phys.org. "This means that, for example ...