Since Russia invaded Ukraine there has not been a single day without an airstrike warning. Front line regions such as Kharkiv and Donetsk have spent a total of over 1,000 hours on alert
Experts agree that the prospect of a Russian atomic strike is remote but that the scenario caused by Ukraine’s advances on the ground is the most dangerous in decades
The repeated assaults on Kyiv are taking place after an explosion partially destroyed the bridge connecting Russia to the annexed Crimean peninsula on October 8
The scientific evidence on how an infant develops, socializes and feeds offers multiple data to take into account about the psychomotor evolution of children
The Russian invasion has lost its impetus and a series of setbacks has forced the Kremlin to reorganize its forces, raising questions about its military power
Surgical face coverings are not designed to contain infectious aerosols that accumulate in enclosed spaces. Experts recommend N95 masks, which are better fitted and have a higher filtration capacity
In Spain, the bathrooms of older buildings are connected through communal ducts that allow aerosol exchanges. Although not common, it is suspected that transmission may occur in specific circumstances