'Can't be called water': Brazil marks two months since dam disaster
Brazilian fisherman Jose Geraldo dos Santos uses a long pole to push his boat down the reddish-brown Paraopeba River, taking care not to splash himself with water he says is toxic.
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Toxicologist denies manipulating studies in Monsanto damages proceedings
A toxicologist from Roundup weedkiller manufacturer Monsanto denied Friday that she had influenced scientific studies to hide the dangers of the product, in the damages phase of a trial in California.
Twin cyclones batter Australia
A "very destructive" category 4 cyclone slammed into Australia's remote northern coast on Saturday, while a second, equally powerful storm bore down on the country's west.
Coffee-based colloids for direct solar absorption
Solar energy is one of the most promising resources to help reduce fossil fuel consumption and mitigate greenhouse gas emissions to power a sustainable future. Devices presently in use to convert solar energy into thermal ...
X-rays reveal termites' self-cooling, self-ventilating, self-draining skyscrapers
Many species of termites, whose societies are built on hierarchies of kings, queens, workers, and soldiers, live in towering nests that are ventilated by a complex system of tunnels.
Radioactive material detected remotely using laser-induced electron avalanche breakdown
Physicists at the University of Maryland have developed a powerful new method to detect radioactive material. By using an infrared laser beam to induce a phenomenon known as an electron avalanche breakdown near the material, ...
New approach to molecular modeling may accelerate the development of new organic materials for electronics
Organic electronics have the potential to revolutionize technology with their high cost-efficiency and versatility compared with more commonly used inorganic electronics. For example, their flexibility could allow companies ...
Chemicals induce dipoles to damp plasmons
The light scattered by plasmonic nanoparticles is useful, but some of it gets lost at the surface and scientists are now starting to figure out why.
Are these tiny, 'inherently safe' nuclear reactors the path to a carbon-free future?
In the six decades since the Shippingport Atomic Power Station near Pittsburgh began operating as the nation's first commercial nuclear reactor, the industry has built ever larger plants to improve the economies of scale. ...
Many sharks closer to extinction than feared: Red List
Human appetites are pushing makos and other iconic sharks to the brink of extinction, scientists warned in a new assessment of the apex predator's conservation status.
