Scientists reckon they have discovered the secret to making the ‘perfect’ cuppa – but the answer might make Brits wince. The Mirror’s Niamh Kirk gave it ago and was baffled by the outcomeScientists reckon they have discovered the secret to making the ‘perfect’ cuppa – but the answer might make Brits wince. The Mirror’s Niamh Kirk gave it ago and was baffled by the outcome