Bitcoin mining: What is it? Why does it consume so much energy?

Once a lucrative exercise anyone could do, bitcoin mining has grown out of control, and governments are weighing what to do.

Credit: Getty Images.

Bitcoin is a cryptocurrency located completely online and not tied to any central bank. Its origins are shrouded in mystery and very few people predicted the popularity it currently enjoys.

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Politics & Current Affairs

Geneticists reverse engineer DNA of the first black Icelander, who left no remains

Scientists can now virtually reconstruction certain long-dead individuals, without the need for DNA samples from physical remains.

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Surprising Science

Icelandic Study Suggests That Maybe We Are Getting Dumber

A new genetic study sees us getting gently stupider over time.

Image source: photoschmidt/Shutterstock
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Surprising Science

Would Pirates Make Good Politicians? Iceland's About to Find Out

When the rest of the world chooses nationalism, Iceland chooses radical change.

Iceland's Pirate Party holding court from a Viking Ship. Credit: European Pirate Party.

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Politics & Current Affairs

What You Want to Know About Costa Rica’s Renewable Energy Victory

How Costa Rica achieved 100% renewable energy, and what it means.

Estanquillos, Costa Rica

There’s been a lot of excitement about Costa Rica’s recent announcement that it got 100% of its electricity from clean renewable energy sources for 76 days straight, from the end of June through August. Its total for 2016 so far is 150 days altogether. Costa Rica set a goal of becoming carbon-neutral by 2021, though they’ve recently pushed that back to 2085.

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Technology & Innovation