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ScienceDaily: Earth & Climate News |
Commitment to democratic values predict climate change concern, study finds Posted: 20 Sep 2018 01:10 PM PDT In a new study comparing climate change attitudes across 36 countries, including the United States, commitment to democratic values is the strongest predictor of climate change concern globally. |
Fat from 558 million years ago reveals earliest known animal Posted: 20 Sep 2018 01:09 PM PDT Scientists have discovered molecules of fat in an ancient fossil to reveal the earliest confirmed animal in the geological record that lived on Earth 558 million years ago. |
Hookworms employ live fast/die young strategy in fur seal pup hosts Posted: 20 Sep 2018 08:55 AM PDT Hookworms exploit a live fast/die young strategy in their South American fur seal pup hosts. As a result, they often kill their host, rather than finding a happy equilibrium. Scientists are concerned that this type of hookworm infection could eventually pose a risk to critically endangered populations of fur seals. |
Glacial engineering could limit sea-level rise, if we get our emissions under control Posted: 20 Sep 2018 07:21 AM PDT Targeted engineering projects to hold off glacier melting could slow down ice-sheet collapse and limit sea-level rise, according to a new study. While an intervention similar in size to existing large civil engineering projects could only have a 30 percent chance of success, a larger project would have better odds of holding off ice-sheet collapse. But the researchers caution that reducing emissions still remains key to stopping climate change and its dramatic effects. |
Hidden costs of cobalt mining in DR Congo Posted: 20 Sep 2018 07:21 AM PDT Cobalt mining comes at a great cost to public health in the Democratic Republic of the Congo. New research reveals that children are particularly vulnerable: their urine and blood samples contain high concentrations of cobalt and other metals. |
Basking sharks can jump as high and as fast as great whites Posted: 20 Sep 2018 07:21 AM PDT These gentle giants, which can grow up to 10 m in length, have been recorded jumping out of the water as high and as fast as great white sharks. Marine biologists are unsure why they do this, but have pointed to this phenomenon as evidence of how much we still have to learn about marine life. |
Physicists train robotic gliders to soar like birds Posted: 20 Sep 2018 07:16 AM PDT Scientists know that upward currents of warm air assist birds in flight. To understand how birds find and navigate these thermal plumes, researchers used reinforcement learning to train gliders to autonomously navigate atmospheric thermals. The research highlights the role of vertical wind accelerations and roll-wise torques as viable biological cues for soaring birds. The findings also provide a navigational strategy that directly applies to the development of UAVs. |
Climate change modifies the composition of reefs Posted: 20 Sep 2018 07:11 AM PDT Corals devastated by climate change are being replaced naturally by other species such as gorgonians, which are less efficient in acting as a carbon sink. A study has analyzes for the first time why gorgonians are more resistant than corals to human impacts and global climate change. |
Flood frequency of Amazon River has increased fivefold Posted: 20 Sep 2018 04:58 AM PDT A recent study of more than 100 years of river level records from the Amazon shows a significant increase in frequency and severity of floods. |
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