Three old – and suspiciously green – books in a university library have been found to be poisonous, containing large amounts of arsenic on their covers. Jakob Povl Holck and Kaare Lund Rasmussen explain how an unlikely partnership between different academic specialisms lead to the killer discovery – and why there might be more poisonous books out there.

The Kilauea volcano on Hawaii has been erupting since 1983, but it entered a new phase in early May when fractures along a rift on its eastern side opened up during a series of earthquakes. Some of these cracks became volcanic fissures and started to erupt lava, with a 200ft high cone developing at one site. This has prompted some to ask whether this is a new volcano. David Rothery explains.

England and Belgium meet in the World Cup tonight in Kaliningrad. Jamie Freeman has been studying this chunk of Russia, which is entirely cut off from the rest of the country. He looks at how Kaliningrad was once cast as the New York of the Soviet Union, but in more recent years has recalled its German past. What now for this Russian “exclave”?

And after a hard-fought legal battle, the Supreme Court has ruled that civil partnerships should be available to heterosexual couples. Mike Thomas says the decision corrects a legal nonsense that excluded opposite-sex couples from rights already enjoyed by those of the same-sex.

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