Issue # 281 _ July 2019
Cover
- Plastic Planet
- Invented a century ago, the polymeric material that at first seemed to make modern life so much easier has now become a major environmental problem By Yuri Vasconcelos
- The threat of microplastics
- Tiny plastic fragments are everywhere and removing them poses a major challenge By Frances Jones
- Reuse, replace, degrade
- Experts call for multiple strategies to tackle plastic pollution By Yuri Vasconcelos
S&T Policy
Interview
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Youngsuk Chi: Sustainable transition
For the president of Elsevier, Plan S is viable, but only over the long term
By Fabrício MarquesScience
Epidemiology
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Fattening foods
New evidence links ultra-processed foods to weight gain
By Ricardo ZorzettoNeurology
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A new form of dementia
Confused with Alzheimer’s, LATE appears with greater frequency in octogenarians
By Carlos FioravantiSoundscape
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Environmental acoustics
Audio recordings are used to profile ecosystems and identify changes caused by humans
By Ricardo ZorzettoTechnology
Aviation
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Cleaner flight
Embraer and WEG team up to develop electric propulsion systems for aviation
By Domingos ZaparolliHumanities
Public Health
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Disarming Violence
Curbing Brazil’s homicide epidemic hinges on restricting access to firearms, fresh research suggests
By Christina Queiroz