IN view of the widespread prehistoric use of flint for making tools and weapons, it is of interest to compare its structure and strength with those of present-day ceramic materials. The physical ...

American Melissa Jefferson-Wooden became the fourth woman to complete the sprint double at the world championships with victory in the 200 metres in 21.68 seconds on Friday. The 24-year-old American ...

President Trump on Monday night announced tariffs of 10% on softwood timber and lumber alongside a 25% tariff on "certain upholstered wooden products" due to take effect on Oct. 14, according to the ...

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