In 1869, Dmitri Mendeleev delivered a full paper to the Russian Chemical Society spelling out the most significant aspect of his system: that characteristics of the elements recur at a periodic interval as a function of their atomic weight. This was the first iteration of the periodic law.
Videos

FO Talks: Hungary Votes for Change — Péter Magyar Ends Viktor Orbán’s 16-Year Rule

FO Live: How the Muslim Brotherhood Survives and Thrives Across the Middle East

FO Talks: Why Pakistan Is Mediating Between the US and Iran — and Why Is Israel Not Invited?

FO Talks: Pakistan’s Airstrikes in Kabul — Is Taliban Failing to Keep Afghanistan Safe?

FO Talks: Why the Iran Ceasefire Solves Nothing in Israel–Hezbollah War

FO Talks: Is Europe’s Strategic Amnesia Driving the World Toward Another Global War?

FO Talks: The Iran War Has No Clear Endgame

FO Live: Wars in Ukraine & Iran — Does Europe Look Weak in 2026?

FO Talks: Viktor Orbán Faces His Toughest Challenge in Hungary’s Defining Vote

FO Talks: The American Jury System Explained: Democracy or Illusion?

FO Talks: War in Iran: Does the Future of the Middle East Look Bleak?

FO Live: How the US–Israel War in Iran Could Redraw Middle East Borders

FO Talks: How Nationalism, the Monarchy and Cambodia Shaped Thailand’s 2026 Election

FO Live: Wars Rage in Iran and Ukraine, Where is the United Nations?

FO Talks: From Minneapolis to Kuwait — Welfare Model Under Pressure in the AI Era

FO Talks: The $9 Trillion Crisis — AI, Burnout and the Collapse of White Collar Jobs

FO Live: Kanwal Sibal Explains Why India Is Europe’s Strategic Alternative to China

FO Talks: Is America Building a $1.5 Trillion War Machine to Fight China?

FO Talks: Nepal’s Political Earthquake as Gen Z Elevates a Rapper to Power



Comment