Alt-week takes a look at the best science and alternative tech stories from the last seven days.
It's not often that smell gets a look-in when it comes to gadgets and technology. That all changes this week with the "scent camera" you see above. But, while you're thinking about preserving the aroma of those killer cookies you baked, others are wondering what's going on in the deep, dark sky above. This is alt-week.
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