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Science In Action. 'Free' water and electricity for the world? Audio, 30 minutesScience In Action

Bulgarian dolphin deaths could be linked to illegal fishing

Science In Action. Iran’s nuclear plans. Audio, 28 minutesScience In Action

Invasive fish could return to Scottish rivers

Man photographs 'all' UK fish species

Sub dive in Mariana Trench breaks records. Video, 00:02:13Sub dive in Mariana Trench breaks records

Wrasse 'needs protection from salmon' Video, 00:01:14Wrasse 'needs protection from salmon'

Thousands of goldfish removed from pond

'Duck-eating' fish removed from lake

Giant fish washes up on Australian beach

Rare fish washes up on California beach

'Largest river restoration' work begins

Rare angel shark spotted off Welsh coast. Video, 00:01:03Rare angel shark spotted off Welsh coast

Hundreds of dead fish found in river

Thousands of fish found dead in Australia. Video, 00:01:00Thousands of fish found dead in Australia

Japan sushi boss pays record tuna price

Big catch! Buyer on the priciest tuna. Video, 00:00:24Big catch! Buyer on the priciest tuna

Fish fumes blamed for boy's allergy death

Silicon Valley: Fish recreated. Video, 00:02:08Silicon Valley: Fish recreated

The company bucking the retail slump

'Mediterranean' fish coming to UK seas

Tossing dead salmon is good for plants

Dead sturgeon fish halt China eco project