Free Republic

Climate change activists' plan to spray fake blood on the Treasury did not get off to the best start. Extinction Rebellion protesters used a hose from an old fire engine to spray 1,800 litres liquid at the 100 year-old building, but they quickly lost control of the powerful water jet. Protesters say they are "highlighting the inconsistency between the UK government’s insistence that the UK is a world leader in tackling climate breakdown, and the vast sums it pours into fossil fuel exploration". The Met Police said five men and three women had been arrested on suspicion of criminal damage.

Swedish doctors have for the first time successfully used artificial blood to treat patients with a method they hope will eventually help revolutionise health care. The artificial blood is made from real blood that has been donated but which normally only has a shelf life of 42 days. Now, instead of throwing that blood away after 42 days, doctors are able to use the red blood cells to produce a powder that can be stored for several years. The powder can then be mixed into liquid form when needed, for example at the scene of an accident, and used immediately...