HumansCalendar synaesthesia: The people who can see timeFor some the year is a C stretching out in front of them, for others it’s a hula hoop. The ways some people visualise calendars could shed light on memory itselfFeatures
LifeThe holly hunters banking berries to save a speciesChristmas in many parts of the world isn’t complete without holly sprigs, but logging the trees’ genetic diversity is a distinctly prickly businessFeatures