The BarkLimiter and Delta Series dog training devices are the latest innovations in Garmin's growing outdoor segment, which focuses on developing technologies to enhance users' outdoor experiences and their relationships with their canine companions.

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The Neanderthals who buried their companions with such care seem to have imagined that the visible, material world was not the only reality.

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However, over five decades, more than the 30 companions have been unique characters with their own back-story.

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And on a larger excursion with friends to central Africa, which ended at some beach cottages on an island off Zanzibar, among their companions was anthropologist Donald Johanson, known for his work on the human ancestor Lucy, who helped teach them about human evolution.

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