Spending a few hours a week helping others may slow the aging of the brain. Researchers found that both formal volunteering ...

Objective We evaluated the long-term association between the COVID-19 pandemic and the language development of children aged ...

The delivery of Azerbaijani petroleum products to Armenia by rail has become one of the clearest and most tangible signs that ...

Identical growth conditions yield uniform monolayer graphene on three different perovskite oxides, suggesting gas-phase ...

Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Thomas J. Brock is a CFA and CPA with more ...

Eligibility and Qualifications 1. The contest is open to contestants under the age of 19 as of October 1, 2025 and who have not yet completed secondary school. There is no minimum age. U.S.