Ocean 'dead zones' a growing disaster for fish

Falling ocean oxygen levels due to rising temperatures and influence from human activities such as agrochemical use is an increasingly widespread problem. Considering that the sea floors have taken more than 1,000 years to ...

Brain damage in fish affected by plastic nanoparticles

Calculations have shown that 10 per cent of all plastic produced around the world ultimately ends up in the oceans. As a result, a large majority of global marine debris is in fact plastic waste. Human production of plastics ...

The Amazon River is 11 million years old

The Amazon River originated as a transcontinental river around 11 million years ago and took its present shape approximately 2.4 million years ago. These are the most significant results of a study on two boreholes drilled ...

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