Crushing obligations to foreign creditors that have few precedents have sapped numerous African nations of growth and stoked social instability.

The arrest of Pavel Durov, Telegram’s founder, as part of an investigation into illicit activities on the messaging app set off worries about the personal liability of tech executives.

If your current smartphone can’t make it through the day without needing a recharge, here are a few steps to make it last a little longer.

Repsol figures that there is still life in vehicle fuels as long as they can be portrayed as low carbon.

When the messaging app’s founder, Pavel Durov, was arrested, he received a flood of support from a multitrillion-dollar industry that relies on it.