Sweeteners and light: The public has become confused about how safe sweeteners really are. A new directive from Brussels could confuse matters further Features
End of the peer show: Who decides who should do what research? Most scientists agree that peer review is a deeply flawed method. But other solutions might be worse Features
Plug into the sun: Rising oil prices have renewed interest in solar energy. This time, say some researchers, we should focus on ways of converting the sun’s power into heat rather than electricity Features
Can koalas bear the twentieth century?: Cuteness is no protection from disease. Nor, it seems, does it offer immunity from the ravages of urban development, logging and agriculture. Without help, the koala could disappear altogether Features
Sweeteners and light: The public has become confused about how safe sweeteners really are. A new directive from Brussels could confuse matters further Features
End of the peer show: Who decides who should do what research? Most scientists agree that peer review is a deeply flawed method. But other solutions might be worse Features
Plug into the sun: Rising oil prices have renewed interest in solar energy. This time, say some researchers, we should focus on ways of converting the sun’s power into heat rather than electricity Features
Can koalas bear the twentieth century?: Cuteness is no protection from disease. Nor, it seems, does it offer immunity from the ravages of urban development, logging and agriculture. Without help, the koala could disappear altogether Features