According to a small band of researchers, using the information on food labels to estimate calorie intake could be a very bad idea. They argue that calorie estimates on food labels are based on flawed and outdated science, and provide misleading information on how much energy your body will actually get from a food.

Cows, sheep and goats may seem like innocent victims of humanity's appetite for meat, but when it comes to climate change they have a dark secret.

Your shopping basket is spewing greenhouse gases. But don't worry, you can easily cut out the culprits: a report.