Twitter is adding another safety control to help curb abuse and harassment on its social network. Users will soon be able to limit the group of people that can reply to their tweets.

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Eskom lost additional generation capacity on Wednesday night and said it would therefore implement state-2 rotational blackouts throughout Thursday and into Friday.

The energy minister’s reluctance to fast-track renewable power projects could prolong the electricity shortages, which have caused the economy to stagnate and sapped investor confidence.

Eskom, South Africa’s biggest polluter, said it will slash emissions of three major pollutants by 2035 while it asks for exemptions to incoming standards to avoid as much as R37-billion in expenditure.

Whether a planned reduction in rewards for mining bitcoin will boost prices or it’s already factored in is dominating discussions across mediums from Twitter to analyst reports.

There is a high likelihood that Eskom will implement stage-2 load shedding on Wednesday evening to replenish water resources for its pumped storage schemes and to minimise the use of diesel.

The largest decline in reliable electricity supply in recent years occurred in South Africa, but much of the rest of the continent is in far worse shape as electrification projects have stalled.

A few months ago, a group of Nasa exoplanet astronomers, who are in the business of discovering planets around other stars, called me into a secret meeting to tell me about a planet that had captured their interest.