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Delay expected in ozone recovery
It could take far longer than expected for the ozone "hole" over Antarctica to repair itself, scientists say.
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It's the system, stupid
We need to stop thinking at the application level if we're going to build a wired world, reckons technology analyst Bill Thompson.
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Grounds for a new tax
Is a latte a luxury? As voters in Seattle decide whether to slap a tax on espresso-style coffee, the Irish have plans to tax chewing gum and bank receipts, having already done the same for plastic bags. Get used to it - new taxes probably aren't going away.
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The next step for bottled water
It's clear, tasteless and quite literally on tap - yet each day we spend more than £2m on bottled water. And now the office water cooler is about to become the latest kitchen accessory.
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World leaders assess Davos gain
The World Economic Forum's annual summit may have attracted stars of business and politics, but what did it achieve?
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Extra egg scheme hatched
A round box that fits seven eggs is designed to dispel the myth that eating too many eggs is bad for you.
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The eclipse - how was it for you?
Did you witness the eclipse? Read what other BBC News Online users around the world saw.
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