WannaCry ransomware

Do you give single space after full stop or double space?

In the days of typewriters, double spacing after punctuation marks was common, however, digital word processing has rendered this practice moot. Scientists now have found that double spacing still makes text easier to read. May 6, 2018
Air pollution

Carbon dioxide reached the highest level in recorded history

The planet is getting warmer and one of the reasons for this is the release of greenhouse gasses like carbon dioxide that trap heat in the atmosphere. Carbon dioxide is the most prevalent among all greenhouse gases and it has just reached its highest recorded level. May 6, 2018