HealthWe can rewrite our genetic code: Best ideas of the century Our genomes are filled with errors that were once impossible to correct. But in CRISPR, we finally found an extraordinarily powerful tool for treating genetic disease – and perhaps making better versions of ourselves Features
SpaceThe century-long hunt for the gigantic meteorite that vanished A soldier returned from the Sahara desert in 1916 with a wild story about a meteorite that dwarfed all others. Over 100 years of hunting yielded nothing – but now twin brothers think they have solved the puzzle Features