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Jair Bolsonaro is expected to win the final round of the Brazilian presidential election. How might this affect the country’s relationship with Africa? Amy Niang outlines how his views on the continent will be narrowly informed by the prism of Brazil’s uneasy, strained and unresolved racial question. As a result, his government can be expected to scale back the country’s engagements with the continent.
Polio has almost been eradicated all over the world. But hotspots remain. The target to eradicate the disease in 2000 was missed and it’s unlikely that it will be eliminated by the latest deadline - the end of this year. Melinda Suchard explains why it’s so difficult to eradicate polio everywhere.
The migrant caravan crossing Mexico and headed to the US is made up mostly of Hondurans fleeing their country. Joseph Nevins writes that the US may have a special moral obligation to them because it played a big part in creating the conditions – political and economic – that they’re fleeing.
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Brazilian presidential candidate Jair Bolsonaro on the campaign trail in Rio.
FEF-EPA/Marcelo Sayao
Amy Niang, University of the Witwatersrand
Jair Bolsonaro has very rightwing views likely to put a final nail in the coffin off Brazil's Africa moment spearheaded by former president Lula da Silva.
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Nigerian children receiving the polio vaccine in Lagos.
EPA
Melinda Suchard, National Institute for Communicable Diseases
The global target to eradicate polio is being missed because a number of countries are struggling to reach high vaccine coverage.
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Politics + Society
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Joseph Nevins, Vassar College
Violence, poverty and oppression in Honduras are causing thousands to flee to the US. Will Trump own the role of US foreign policy in creating these problems?
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Ye Liu, King's College London
China wants its citizens to have more children. But they are reluctant to.
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Science + Technology
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Wenyao Xu, University at Buffalo, The State University of New York; Feng Lin, University of Colorado Denver; Zhanpeng Jin, University at Buffalo, The State University of New York
Biometrics are more secure than passwords – but when they're compromised fingerprints and retina scans are hard to reset. Brain responses to specific stimuli are as secure and, crucially, resettable.
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John Nudds, University of Manchester
A new type of _Archaeopteryx_ fossil helps build the case for this creature being called 'the first bird'.
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