A new study published in Evolution and Human Behavior suggests that modern women may not chemically signal fertility through ...

A Norwegian government scientist set out to debunk the theory that directed-energy weapons could cause the mysterious cluster of symptoms known as “Havana syndrome.” He built a high-power ...

Objective To determine whether liquefied petroleum gas (LPG) can reduce perinatal mortality in a setting with high reliance ...

Background A more nuanced understanding of behavioural responses to incentives over time, particularly after they are removed, could guide more effective interventions. In this study, we build on the ...

Background Physical activity has been associated with neuroprotective and immunomodulatory benefits, potentially influencing ...

Julia Kagan is a financial/consumer journalist and former senior editor, personal finance, of Investopedia. Eric's career includes extensive work in both public and corporate accounting with ...

Psychology Today's online self-tests are intended for informational purposes only and are not diagnostic tools. Psychology Today does not capture or store personally identifiable information, and your ...

Psychology Today's online self-tests are intended for informational purposes only and are not diagnostic tools. Psychology Today does not capture or store personally identifiable information, and your ...

Genetic testing involves the detection of specific alleles, mutations, genotypes or karyotypes that are associated with heritable traits, diseases or predispositions to disease for the individual or ...

Bayes' theorem is a statistical formula used to calculate conditional probability. Learn how it works, how to calculate it ...