New principle may help explain why nature is quantum

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Like small children, scientists are always asking the question 'why?'. One question they've yet to answer is why nature picked quantum physics, in all its weird glory, as a sensible way to behave. Researchers Corsin Pfister and Stephanie Wehner at the Centre for Quantum Technologies at the National University of Singapore tackle this perennial question in a paper published 14 May in Nature Communications.

Sulfate aerosols have less cooling impact on climate than assumed

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In their role as condensation nuclei, aerosol particles are an important trigger for the formation of clouds. As humidity accumulates on the particles droplets are formed, which later develop into clouds. Within the clouds, however, the chemical composition of these aerosol particles changes.

Using earthquake sensors to track endangered whales

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The fin whale is the second-largest animal ever to live on Earth. It is also, paradoxically, one of the least understood. The animal's huge size and global range make its movements and behavior hard to study.

Western Indian Ocean earthquake and tsunami hazard potential greater than previously thought

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Earthquakes similar in magnitude to the 2004 Sumatra earthquake could occur in an area beneath the Arabian Sea at the Makran subduction zone, according to recent research published in Geophysical Research Letters.

The research was carried out by scientists from the University of Southampton based at the National Oceanography Centre Southampton (NOCS), and the Pacific Geoscience Centre, Natural Resources Canada.

Racial minorities live on the front lines of heat risk, study finds

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Berkeley — Some racial groups are more likely to bear the brunt of extreme heat waves because of where they live, according to a new study by researchers at the University of California, Berkeley.

The findings, published today (Tuesday, May 14) in the journal Environmental Health Perspectives, highlight racial disparities at a time when the frequency and intensity of extreme heat waves is expected to increase with climate change.

Scientists uncover the fundamental property of astatine, the rarest atom on Earth

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An international team of scientists, including a University of York researcher, has carried out ground-breaking experiments to investigate the atomic structure of astatine (Z=85), the rarest naturally occurring element on Earth.

Astatine (At) is of significant interest as its decay properties make it an ideal short-range radiation source for targeted alpha therapy in cancer treatment.

Making gold green: New non-toxic method for mining gold

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Northwestern University scientists have struck gold in the laboratory. They have discovered an inexpensive and environmentally benign method that uses simple cornstarch -- instead of cyanide -- to isolate gold from raw materials in a selective manner.

This green method extracts gold from crude sources and leaves behind other metals that are often found mixed together with the crude gold. The new process also can be used to extract gold from consumer electronic waste.

American Chemical Society podcast: Green chemistry mobile app

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The latest episode in the American Chemical Society's (ACS') award-winning Global Challenges/Chemistry Solutions podcast series describes the first mobile application to foster wider use of the environmentally friendly and sustainable principles of green chemistry.

Scientists find extensive glacial retreat in Mount Everest region

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Cancún, Mexico -- Researchers taking a new look at the snow and ice covering Mount Everest and the national park that surrounds it are finding abundant evidence that the world's tallest peak is shedding its frozen cloak. The scientists have also been studying temperature and precipitation trends in the area and found that the Everest region has been warming while snowfall has been declining since the early 1990s.

Cooling ocean temperature could buy more time for coral reefs

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Limiting the amount of warming experienced by the world's oceans in the future could buy some time for tropical coral reefs, say researchers from the University of Bristol.

The study, published by the journal Geophysical Research Letters, used computer models to investigate how shallow-water tropical coral reef habitats may respond to climate change over the coming decades.