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Editor's note
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For a human sperm, the journey to the female egg is a treacherous one and the secret to their swimming prowess has, up until now, remained a mystery. But new research has discovered what it is about their tails that gives human sperm the strength to succeed in the race to fertilise the egg. Hermes Gadelha explains his findings and why they could be a game-changer for the future of IVF.
There has been a massive global revival in craft beer in recent years. But this trend should not simply be of interest to hipsters and microbrewers – anyone interested in the global economy should also take note. Because, according to Maikel Kuijpers, Jochem Kroezen and Catalin Popa, craft principles could help a much-needed transformation of the economy – but not if big business gets its way.
The cyclone that has caused havoc on Africa’s east coast has brought home two very tough realities. First, as Jennifer Fitchett notes, storms are growing in intensity and frequency. And that is exacerbated – as Robert Šakić Trogrlić writes – when countries such as Malawi and its neighbours lack the early warning systems that could protect their citizens from ferocious storms.
All the best.
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Holly Squire
Commissioning Editor
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shutterstock
Hermes Gadelha, University of York
Our new research has discovered what gives human sperm the strength to succeed in the race to fertilise the egg – and it's all to do with their tails.
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shutterstock.
Maikel Kuijpers, Leiden University; Catalin Popa, Leiden University; Jochem Kroezen, Cambridge Judge Business School
The practices and values of craftsmanship correspond well with the requirements for a sustainable economy. But they're threatened by industry.
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People leaving their homes in the flooded section of Praia Nova, Beira, Mozambique in the wake of tropical cyclone Idai.
Denis Onyodi/ IFRC handout
Jennifer Fitchett, University of the Witwatersrand
The recent storms provide a grim reminder of the prospect of future tropical cyclones in a region under continued threat from climate change.
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Arts + Culture
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Adrian Leemann, Lancaster University; Jane Setter, University of Reading; Sam Kirkham, Lancaster University
When you listen very closely, the Duchess of Sussex still sounds like she's from Los Angeles.
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Politics + Society
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Harvey Whitehouse, University of Oxford; Patrick E. Savage, Keio University; Peter Turchin, University of Connecticut; Pieter Francois, University of Oxford
God only started watching over us quite recently, according to a new study that analysed 414 societies from 30 world regions.
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Clodagh Harrington, De Montfort University
Those awaiting a rollicking read from Robert Mueller may need to manage their expectations.
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Charlotte Bishop, University of Exeter
Lawyers and jurors need to know what causes people to behave the way they do.
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Matt Fossey, Anglia Ruskin University; Nick Caddick, Anglia Ruskin University
In the UK, it's possible to join the army as a soldier at the age of 16, with parental permission. Is it right?
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Holger Nehring, University of Stirling; Megan Dee, University of Stirling
Five years after Crimea returned to Russia, the east-west stalemate over Ukraine is far from stable.
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Nour Halabi, University of Leeds
How man-made barriers can harm humanity for centuries.
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Imran Awan, Birmingham City University
Some commentators argue Islamophobia does not exist. It does, and it's deadly.
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Science + Technology
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Guy Gratton, Cranfield University
The Boeing 737 is the most produced commercial aeroplane in history – so what might have gone wrong?
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Environment + Energy
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Isabelle Szott, Liverpool John Moores University; Nicola F. Koyama, Liverpool John Moores University
Wildlife tourism is a million dollar industry, but do we know enough about how wildlife feel about tourists in their habitat?
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Business + Economy
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Kate Pickett, University of York; Richard Wilkinson, University of York
Imagine if the amount of tax everyone paid was public knowledge – they do it in Sweden.
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Health + Medicine
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Richard Metcalfe, Swansea University
Each extra hour of light activity above three hours cuts your risk of heart attack by 15%.
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Featured events
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Room 103, 51 Gordon Square, London, London, City of, WC1H 0PN, United Kingdom — UCL
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East Road, Cambridge, Cambridgeshire, CB11PT, United Kingdom — Anglia Ruskin University
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Museum of English Rural Life, Redlands Road,, Reading, Reading, RG1 5EX, United Kingdom — University of Reading
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Lindsay Stewart lecture Theatre, Craiglockhart Campus, Glenlockhart Road, Edinburgh, Midlothian, EH14 1DJ, United Kingdom — Edinburgh Napier University
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