Half-speed ahead!
The Large Hadron Collider will restart in November at half the energy it was designed to reach. Protons will initially smash together at 7 trillion electronvolts. Faulty electrical connections mean the equipment could not safely handle higher energies. Even so, this still beats any other collider, and it shouldn’t stop the LHC making discoveries.
Algae kill horse
Environmentalists have blamed intensive farming for the death of a horse and the collapse of its rider on a beach in Brittany, France. Run-off from farms has led to a mat of algae on many beaches, which releases toxic hydrogen sulphide…
