Why is it so tempting to pick a scab?

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

Doom busters: why some things aren’t (quite) as bad as we think

We live in worrying times. From the climate crisis to the culture wars, there is always something to keep us fretting. But sometimes the facts tell a different story – a more hopeful one. Here, we speak to experts in search of some optimism and find 13 reasons to be a little more cheerful