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[OP-ED]: Hunger on campus is a real problem with real solutions

 08/08/2017 - 14:45
When students are hungry, they miss class -- sometimes to pick up an extra shift at work, sometimes because they get sick because their immune systems are weak from malnutrition. 

When people my age look back on their college days, they often recall being “starving” students. But, back in a time when it was possible to complete a university education with some scholarships, a modest student loan and a part-time job, few of my peers were ever truly hungry.

Could a Mathematical Formula stop the extinction of species?

 07/26/2017 - 07:11
Hugh Possingham, chief scientist of the NGO The Nature Conservancy, who presented in Colombia this week a controversial mathematical formula that measures the cost-benefit of saving different species, in order to decide which should be given priority. EFE/NGO The Nature Conservancy

Math has already been used effectively in defining protected areas in places with productive activities in 150 countries over the past 15 years. The best example of that application is Australia's Great Barrier Reef, where a software called Marxan permitted the expansion of protected areas from 5 percent to 35 percent while preserving species and improving fishing. 

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EFE