Such confidence hinges on whether regulators rely on the old antitrust handbook to control companies whose products, with such ease, transcend borders and burrow deep into our lives.

Each article provides clues and search words to explore, allowing you to burrow deep.

The species has survived this massive change because it can burrow deep into the soil.

These are some of the smaller tick seeds in its range, and the seeds can burrow deep within certain clothing, such as socks.

Decollate snails are tolerant of dry and cold conditions, during which they burrow deep into the soil.