S OME GEMSTONES JUST make better subjects for the Gem Quiz. Chrysoprase is such a stone. It’s got pedigree, recurring through ...

VARIATIONS within the normal range of temperature do not exert a very profound effect upon the rate of hydration of gypsum plaster 1,2. For example, Fig. 1 shows the maximum rate of increase of ...

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Shoppers reportedly ran and hid inside other stores, while businesses shut their roller doors. The raid ended in less than one minute after a staff member chased the thieves with a ring-sizing stick.

Third quarter sales reached €19.08 billion ($AUD30.89 billion), a drop of around 3 per cent on a year-on-year comparison. Revenue from the watches and jewellery ...