A 127-year-old physics riddle solved

He solved a 127-year-old physics problem on paper and proved that off-centered boat wakes could exist. Five years later, practical experiments proved him right.

Thousands demonstrate against cruise ships in Venice

Thousands of people took to the streets in Venice on Saturday calling for a ban on large cruise ships in the city following last week's collision between a massive vessel and a tourist boat.

Fishermen help overhaul plastic habits off Italy

On a moonlit night off Italy's coast, fishermen are hauling in the usual catch: cuttlefish, red mullet and plastic waste. But this time, they won't throw the rubbish back.

In Nigeria's Lagos, aquatic weed plagues waterways

Traffic jams on the snarled up roads of Nigeria's megacity of Lagos are legendary, but a growing problem is also clogging up the waterways of Africa's biggest city—water hyacinths.

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