Threatening our future in space

Debris and non-functioning launcher steps in the geostationary ring. Aging satellites emit debris and explode due to residual energy sources. The resulting fragments can be thrown back and cross geostationary orbit. For this reason, the release of residual energy after the completion of the nominal...

Severe acute respiratory syndrome‐coronavirus‐2 spike (S) protein based vaccine candidates: State of the art and future prospects – Arashkia – – Reviews in Medical Virology

1 INTRODUCTION Coronaviruses (CoVs) are enveloped viruses of the Coronaviridae family, composed of a large single‐strand, positive‐sense RNA genome (ranging from 26 to 32 kilobases in length) with 5′‐cap and 3′ poly‐A tail.1 While some members of the Coronaviridae family might cause mild respiratory symptoms...