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News Feature
Nature 444, 543-544 (30 November 2006) | doi:10.1038/444543a; Published online 29 November 2006
Open Innovation Challenges
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Single-cell Analysis Platform
This Challenge is looking for novel approaches to analyzing changes at a single-cell level. This is...
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Novel Approaches to Protecting Maize from Insect Damage
The Seeker is looking for novel approaches to protecting maize from insect damage. This Challenge re...
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Account Director -India
- Indegene Lifesystems Pvt. Ltd
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Molecular Biologists and Biochemists
- University of Minnesota
- Minnesota, USA
The earth-eaters
Trevor Stokes1
- Trevor Stokes is a freelance writer in New York City.
Abstract
Research suggests that consuming soil may have more health implications than one might expect. Trevor Stokes sieves through the reasons why people include dirt in their diet.
At Calabash, a West African speciality grocery store in Newark, New Jersey, plastic containers line the impulse-purchase aisle next to the cash register. Hungry shoppers can choose from a wide range of traditional edible offerings, including sacks of caffeine-rich kola nuts, packets of vanilla sugar — and thumb-sized rolls of chalky clay.
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