HealthThe claim that our food is becoming less nutritious is overblown Claims that our food is becoming less nutritious are often bandied about, but the truth is far more complicated, says James Wong Comment
HealthGoing vegan for January? Find out how much difference it really makes Millions of people will try a vegan diet this month for Veganuary. But can short-term or part-time vegans really reap health and environmental benefits? New Scientist put it to the test Features