A 15th century French painting depicts an ancient stone tool

More than 500,000 years ago, our human ancestors used large, stone tools known as "Acheulean handaxes," to cut meat and wood, and dig for tubers. Often made from flint, these prehistoric oval and pear-shaped tools are flaked ...

More than 20-year-old assumption about beer aroma disproved

Hops-derived constituents not only increase shelf-life and bitterness of beer, but can also significantly influence aroma. An important hop odorant is linalool, which has a floral and citrus-like scent.

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