1, 2, 3 octopuses: Divers conduct underwater census

(AP)—To check on the health of the giant Pacific octopus population in Puget Sound, an unusual census takes place every year. Volunteer divers, enlisted by the Seattle Aquarium, take to Washington's inland waters to look ...

Hydraulic chamber tests fish survival

Australia's native fish could stand a better chance of survival when passing through hydropower turbines in major waterways thanks to an innovative mechanical chamber developed at UNSW, which is nominated for a top engineering ...

Study reveals most biologically rich island in Southern Ocean

The first comprehensive study of sea creatures around the sub-Antarctic island of South Georgia reveals a region that is richer in biodiversity than even many tropical sites, such as the Galapagos Islands. The study provides ...

NASA astronauts test new exercises on space walk

Two astronauts floated out of the International Space Station on Wednesday after trying out new exercises aimed at preventing decompression sickness while conserving oxygen, NASA said.

Hawaii researchers explore previously unseen coral

(AP) -- Scientists over the past month explored coral reefs in the remote Northwestern Hawaiian Islands that until recently were considered too deep for scuba divers to reach.

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