For this week’s Editor’s Picks, we’ve chosen four very different talks from four continents. The challenges they’re looking at may be familiar, but we like how the speakers bring new ideas and perspectives.
A new self-identity for Africans: Panashe Chigumadzi at TEDxJohannesburg
Panashe Chigumadzi is a young storyteller from Zimbabwe on a mission to redefine what it means to be African. Self-identity in many African countries has been skewed by the influence of colonization, she says, and in order to reclaim a sense of African identity, she urges people to use the power of new technology and social media to create positive cultural identities with uniquely African stories.
A better way to win the war on drugs: Bart de Koning at TEDxEde
Is the war on drugs worth fighting? Maybe, says Bart de Koning, if we can look at it with new eyes. Despite concerted efforts, he explains, criminal justice systems haven’t stopped the supply and demand of illegal drugs. Instead, academic research has found that well-funded mental health facilities offer the only effective solution to what is ultimately a problem of addiction. In the war on drugs, this compelling call to action may offer a new way forward.
Battery-powered fridge empowers Indian farmers: Sam White at TEDxBoston
In a country where most farmers don’t have refrigeration, how do you get milk to market before it spoils? At TEDxBoston, Sam White shows off a new battery-powered fridge solving that problem in India — even in areas without reliable electricity — making it possible to keep milk safe longer.
The mathematics of weight loss: Ruben Meerman at TEDxQUT
When you lose weight, what happens to the fat and where does it go? It seems so obvious… and yet, we weren’t sure either. So check out Ruben Meerman’s entertaining talk from TEDxQUT and figure out the chemistry of what exactly happens when the numbers on the scale start going down.
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