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 ...

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 ...