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LATEST NEWS: For the latest on the tense situation on the Korean peninsula, read our Q&A on what earthquake science can tell us about nuclear tests, and this analysis of the political stand-off.
For years maritime security has been neglected throughout Africa. To most people it meant tackling piracy, but that is just one part of the picture. As states seek to sustainably develop ocean resources, wider issues of maritime security will need to be a priority, writes Dirk Siebels.
The focus must be expanded to deal with matters such as illegal, unreported and unregulated fishing, as well as factors such as offshore oil and gas production and maritime trade, says Siebels. Meanwhile, seas around the world could be being damaged by sunscreen use, a new research project suggests.
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Port workers secure berthing ropes belonging to a container ship as it prepares to dock at the port of San Pedro, Ivory Coast.
Luc Gnago/Reuters
Dirk Siebels, University of Greenwich
Traditionally maritime security has been defined through the narrow lens of piracy. But as the blue economy grows, African states need to embrace a broader strategy.
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Politics + Society
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Benjamin Habib, La Trobe University
The North Korea nuclear crisis is exposing the reality of US decline and the growing limitations of its ability to shape the strategic environment in northeast Asia.
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Virginie Grzelczyk, Aston University
Pyongyang's latest test isn't the great leap forward it purports to be.
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Ibtisam Ahmed, University of Nottingham
Section 377, which criminalises homosexuality, could finally be relegated to the history books.
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Environment + Energy
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Karl Lawrence, King's College London; Antony Young, King's College London
Sun cream ingredients have been linked to hormonal changes in fish and coral bleaching.
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Esther Ndumi Ngumbi, Auburn University
Crop losses in African countries due to insect pests are estimated at 49%. However, with some species losses can climb up to 100%.
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Harini Nagendra, Azim Premji University
Flooding in India's main financial hub is a reminder that urban growth has to work with nature.
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Arts + Culture
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Kevin D. Murphy, Vanderbilt University; Carol Willis, Columbia University; Daniel Bluestone, Boston University; Kerry Traynor, University at Buffalo, The State University of New York; Sally Levine, Case Western Reserve University
We asked five architecture experts to name one building or structure they wish had been preserved, but couldn't resist the tides of decay, development and discrimination.
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Health + Medicine
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David Evans, The University of Queensland
A new study has established a cause and effect relationship between years of education and heart disease.
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Science + Technology
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Neil Wilkins, University of Bristol
Within hours of North Korea's latest underground nuclear test, Japan and South Korea were both able to independently confirm it had happened. How?
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