Saudi Arabia Railways (SAR) has announced that it has signed an agreement with top Swiss rolling-stock manufacturer Stadler to purchase 10 new passenger trains for over CHF300 million ($360 million). This doubles the fleet of vehicles specially developed for Saudi Arabia to 20 train sets.
Researchers at the Francis Crick Institute, a biomedical research centre based in London, and AlveoliX, a leading Swiss biotechnology company, have developed the first human 'lung-on-chip' model using genetically identical cells derived from stem cells taken from a single donor.
