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Scientists have shown that cancer mortality does not increase with body size or life span. In fact some larger, longer living animals may develop less cancer. Joshua Schiffman and Lisa Abegglen explain how they hope their findings can one day be used to develop effective treatments.
After a South African court found that President Jacob Zuma’s efforts to fast track a nuclear power deal were illegal, Hartmut Winkler argues that it’s unlikely that any nuclear development will succeed in the foreseeable future. And David Fig explains why the court's ruling has turned the nuclear procurement issue into one of the key markers of South Africa's political health.
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Elephants express many extra genes derived from the critical tumour suppressor gene TP53.
Stephen Tan/Flickr
Joshua Schiffman, University of Utah; Lisa Abegglen, University of Utah
Elephants naturally avoid cancer after 55 million years of evolution. Scientists are studying if they can extract lessons that could help people.
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Politics + Society
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Andrew Edward Tchie, University of Essex
The numerous opposition groups battling to unseat President Salva Kiir lack a shared agenda and common approach. Sadly, too, no group is working towards a unified future for South Sudan.
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Recent protests against President Jacob Zuma outside parliament in Cape Town.
Nic Bothma/EPA
Hartmut Winkler, University of Johannesburg
A ruling by a South African court makes it unlikely that the country will see any nuclear development in the foreseeable future.
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Business + Economy
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David Fig, University of Cape Town
The Cape High Court ruling which declared South Africa's nuclear energy plan as illegal may have put paid President Jacob Zuma's ambitions of clinching the deal while he is still in office.
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From our international editions
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Victor Pickard, University of Pennsylvania
Big cash infusions can give nonprofit journalism a much-needed boost. But the ailing news industry needs more consistent funding.
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Allyssa McCabe, University of Massachusetts Lowell
People tell each other stories every day about the things they've seen and done. For many children with autism, this kind of personal narrative doesn't come easily. Here's how parents can help.
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Kelly Lytle Hernandez, University of California, Los Angeles
Trump's administration plans to ramp up prosecution of unauthorized border crossings. Here's the story of how it became illegal in the first place.
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Nir Kshetri, University of North Carolina – Greensboro
Already becoming a darling of Wall Street, blockchain technology's biggest real benefits could come to the world's poorest people. Here's how.
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