(NewsNation) — Online activists are using the keywords “music festival” to spread the word about protests in Los Angeles, Portland and Washington, D.C., in an effort to avoid social media suppression.

Phosphatidylethanol reveals substantial underestimation of alcohol intake, especially in those with a history of excessive alcohol consumption. Incorporating phosphatidylethanol into diagnostic ...

Introduction: A revolutionary cipher -- Cryptology before 1500: a bit of magic -- The black chambers: 1500-1776 -- Crypto goes to war: the American Revolution -- Crypto goes to war: the American Civil ...

Do you remember the early days of social media? The promise of connection, of democratic empowerment, of barriers crumbling and gates opening? In those heady days, the co-founder of Twitter said that ...