Even latest sonar tech may keep sperm whales from finding food

Sperm whales use echolocation to search for prey in the dark ocean – so it makes sense that competing sounds could screw that process up. A recent study now indicates that even a new-and-improved type of manmade sonar does indeed cause problems.

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Study suggests the ocean is soaking up twice as much CO2 as we thought

The world’s oceans play an important role in regulating the balance of CO2 in the atmosphere, but a new study suggests we may have been greatly underestimating the effectiveness of this vast carbon sink.

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Another possible use for coffee grounds: biodegradable plastic

We've been hearing more and more about biodegradable plastics, made from cellulose nanofibers. Although those fibers are typically harvested from wood waste, new research shows that they could also be obtained from mega-plentiful used coffee grounds.

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Satellite spots new ozone layer hole opening up over the Arctic

Although a hole in the ozone layer might sound like a retro environmental issue, it’s still a problem today. While it's usually over Antarctica, scientists have now spotted the biggest ozone layer hole in at least 25 years forming over the Arctic.

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Using steel slag to treat sewage makes it better for use in concrete

Steel slag is currently utilized both to treat wastewater, and as a concrete aggregate. New research now indicates that using it for the former makes it perform even better as the latter – so the same slag could be used twice.

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