Procedure designed to prevent babies born through IVF from inheriting mitochondrial defects

The search for “Earth 2.0” – another watery planet with life – has come a step closer with the discovery of 715 new planets orbiting stars beyond our own Solar System, Nasa scientists said.

Climate change is one of the defining issues of our time and the indisputable warming of the world over the past century is largely the result of human activities, according to the two most august science bodies in Britain and the United States.

A government plan to begin the dredging of two rivers in the flooded Somerset Levels was taken without seeking the advice of senior engineers in charge of flood defences who happen to believe that the £4 million project will bring only “marginal benefits”, it has emerged.

Strip mining and vacuum mining

The study conducted on 3,000 women in the Philippines found that what women ate during their pregnancies could influence the size of their grandchildren

Frequent, moderate physical activity can delay the start of dementia

Between 20 and 40 per cent of older adults feel lonely

It travels around the world at up to 200mph, at altitudes of between five and seven miles. It controls Britain's weather and can make or break a summer holiday. But something is happening to the jet stream that could explain why Britain has experienced a conveyor belt of storms dumping huge amounts of rain onto flood-battered parts of the country.

And girls and boys are affected differently by it