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'Sick building syndrome' is a growing problem at airports — but 'lava lamps' full of algae could be the solution

The 125 gallons of algae in the airport can purify as much air as 5,000 houseplants. 'Sick building syndrome' is a growing ...
The Guardian

‘Nostalgic and calming’: lava lamps are groovy again as sales glow

The British-made lamps have surged in popularity as younger audiences seek to recapture magic of the 1960s Depending on your age, you may remember them from Doctor Who and The Prisoner in the 1960s, ...