Remember flu? Despite lockdowns holding it at bay, a small group of scientists is searching the globe for deadly new strains – and to work out what to put in next winter’s vaccines
My nine-year-old’s curiosity about the place I grew up and where generations of my family were raised has made me look at it with new eyes, says Robert Yates
Can we really harness our brain chemicals to give ourselves a blast of positivity? Researchers share their shortcuts to boosting oxytocin, serotonin and more
The long-running series in which readers answer other readers’ questions on subjects ranging from trivial flights of fancy to profound scientific and philosophical concepts