LifeShark-free world? That's a wish that would come back to bite us Sharks may be hard to love for many people, including the US president, but these animals are essential to the health of our oceans, says Lesley Evans Ogden Comment
TechnologyWill supersonic air travel's return be another white elephant? Fifty years after the unveiling of Concorde – the flawed, first supersonic airliner – its successors are coming. Maybe they’ll be the real deal, says Paul Marks Comment