Four new DAQ white dwarfs discovered

Astronomers from the University of Oklahoma and their colleagues report the detection of four white dwarf stars of a recently discovered rare DAQ spectral subclass. The newfound white dwarfs are slightly more massive than ...

Study shows how to improve management of municipal solid waste

Some 20,000 metric tons of municipal solid waste (MSW) are produced every day in metropolitan São Paulo (Brazil), with household trash accounting for 12,000 tons and street cleaning (mainly sweeping, open-air market refuse ...

Climate change threatens resilience of Sri Lankan rainforests

Tropical ecosystems store over half of the world's above-ground carbon in their biomass, making them critically important in the global fight against climate change. As carbon dioxide levels continue to rise in the atmosphere, ...

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