Inside the race to find the first billion-digit prime number
7 August 2019
Discovering giant prime numbers involves laborious trial and error, and they are of little use when they are found. For certain devotees, that's beside the point
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Premium
Outshining fossil fuel: Your guide to the revolution in solar energy
7 August 2019
Solar power is getting so cheap it is overtaking fossil fuels – and that’s without next-generation photovoltaic technology and artificial photosynthesis
Have we found the true cause of diabetes, stroke and Alzheimer's?
7 August 2019
The diseases most people die of have been attributed to unhealthy lifestyles. But evidence now suggests bacteria are to blame, heralding a revolution in medicine
