The display screen for the iPhone 5 could reduce a layer of glass if the metallic layer for the touch screen is applied to the protective glass, and the result would be a thinner screen.

FORBES: Apple's New iPhone Could Be Tall, Thin And Beautiful

Handling an iPhone 5 will definitely remove some portion of that layer of aluminium oxide.

FORBES: Will Handling Your iPhone 5 Damage It? Maybe...

In fact, we can definitely state, without any fear of contradiction, that some of that anodised layer will wear off as a result of the iPhone 5 being handled.

FORBES: Will Handling Your iPhone 5 Damage It? Maybe...

Rocks laid down at the time - some 65.5 million years ago - show a thin layer abundant in rare elements like Iridium, spherules and shocked Quartz that could only have come from a meteorite impact.

BBC: Closing the 'three metre gap'

In the new iPhone 5, the new LCD technology allows the metallic layer to be applied directly on it rather than needing a separate piece of glass.

FORBES: Apple's New iPhone Could Be Tall, Thin And Beautiful

And its latest warning - that global carbon dioxide emissions from energy use rose by 5% during 2010 - is casting a new layer of doubt on the ability of governments to meet the targets they've signed up to on curbing climate change.

BBC: Emissions and growth continue their dance

Ozone is a protective atmospheric layer found at an altitude of about 25 kilometers (15.5 miles).

CNN: Ozone hole grows in 2008

Mizuno reckons that by reducing friction, keeping the flow orderly and delaying separation of the boundary layer, its new suits offer the average female swimmer 9.5% less drag than a conventional costume.

ECONOMIST: The turbulent world of swimming