Articles on Demographics

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Since 1800, the world’s population has multiplied seven and a half times. Shutterstock

Is the Earth over-populated?

The world’s population has reached 7.5 billion and is expected to climb to nearly 10 billion by 2050. Why will population growth inevitably continue? Should we try to reduce or stop this growth?
People in Canada and around the world are living longer thanks to public health and modern medicine. It’s time to treat aging as an asset, not a process of decline. (Shutterstock)

It’s time to treat aging as an asset, not a burden

The population is aging in Canada and around the world. It's time to focus our attentions on optimal aging instead of grimly tallying the burdens of growing old.
Image of a five-knot tori algorithmically. Tanaka Juuyoh/Flickr

Don’t blame it on algorithms: what they really are and how they can fuel progress in the life sciences

Today algorithms are ubiquitous, yet often misunderstood. Rather than mysterious entities, they're closer to recipes, and the quality of the output depends on the input – in their case, data.
Hillary Clinton supporters at a Clinton watch party in Austin, Texas. Jay Janner/Austin American-Statesman via AP

Voters in Texas, North Carolina, Ohio and Florida are changing the swing state map

How southern accents, Puerto Ricans and bias at the polls could change the map of traditional swing states as we know it.
Centenarian in Tiantou Village, Guangxi, China. ESB Professional/Shutterstock

Is there a natural limit to how long humans can live?

New data suggests humans may not get older than 125 years. But should we take it seriously? Every time a limit to lifespan has been proposed in the past it has been surpassed.
How fast can it get here? Box delivery image via Hadrian / Shutterstock.com

Algorithms can be more fair than humans

Algorithms can discriminate, even when their designers don't intend that to happen. But they also can make detecting bias easier.
Africa contributes the least of any continent to climate change – but it also has the least resources to manage it. Shutterstock

Forecast of global trends suggest heavy headwinds for Africa

Scenarios on global trends over the next 20 years point to some serious challenges for Africa. Whatever actually happens, it's important for the continent to put in place mitigation strategies.

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