Ukraine

Analysis: Facebook is undermining democracy

Global leaders, with the United States in the lead, need to continue to hold Mark Zuckerberg to account in official forums. If he is serious about solving Facebook's problems, the tech executive needs to stop avoiding them.

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Constraints on growth of nuclear power

The rising price of oil and the growing demand for energy has prompted a new look at nuclear power -- even in the oil-rich Middle East, but there are limits to how fast nuclear energy can grow to meet that demand

Arts, Culture & Media

Geo answer

For our Geo Quiz, we were looking for the name of the capital of Ukraine. The answer is Kiev. The BBC's Gabriel Gatehouse reports on a controversy a local TV show that asked viewers to name the greatest Ukrainian of all time.

Health & Medicine

Ukraine interview

The BBC's Gabriel Gatehouse reports on a coal mine accident in Ukraine, where today, rescue workers announced they'd helped 23 miners to safety while others remain missing, though.