North Korea rattled nerves around the world yesterday with a massive underground nuclear test that caused a 6.3 magnitude earthquake. Earth sciences expert Neil Wilkins explains what the shockwaves from the test can and can’t tell us about the north’s new bomb. Meanwhile, Virginie Grzelczyk offers a reality check: the test was signposted months ago, matches a well-advertised strategy, and does little to change the facts on the ground.

The rise of support for radical right-wing and neo-Nazi organisations has received a huge amount of attention in the US recently, following the attack in Charlottesville. But this is not just an American phenomenon. In a corner of Europe usually seen as liberal, fear of “others” appears to be growing. Mette Wiggen examines how Scandinavia became a hotbed of hate.

Reports of the effectiveness of the anti-inflammatory drug canakinumab in preventing heart disease and cancer suggest it could revolutionise treatment of those health scourges. But, writes Keith Morris, the high cost of the drug may prove prohibitive when it comes to helping all but the most wealthy people.

And why not head to the seaside this week for the British Science Festival? The Conversation will be in Brighton from tomorrow, and on Thursday you can take part in our special open science newsroom; meet some of the editors, authors and pitch ideas.

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