Probably the worst aspect of science journalism is the way that editors feel the need to have world-shattering headlines. New Scientist is one of the worst for the this. Time after time you see something really exciting on the cover like 'Black holes don't exist!', then when you read the actual article it delivers nothing of the kind, telling you that someone has a disputed theory that in some circumstance black holes may not form. In a way it's the grown-up version of what I was moaning about the Daily Excess doing yesterday. So I was a bit wary when I saw the Observer headine  Scientists hope Venus will give up the secret of how life evolved on Earth . And rightly so. What we got was an interesting article about Venus and how we might discover why Venus, a similar size to Earth and also 'well within the Goldilock zone' is so different from Earth (and so inhospitable to life). In the end, the analysis came down to 'Venus may have had a water/carbon d...