Russia agrees to provide more oil and gas to China. And that’s a pretty big deal.

From the BBC World Service: After all, China is the world’s biggest energy consumer. We examine the economic links between the two countries. Also, Beijing is being cautious about how much it supports Moscow, especially when it comes to the build-up of Russian troops at Russia’s border with Ukraine. And, scientists in South Africa say they’ve produced a version of Moderna’s COVID-19 vaccine.