Nourishing crops with synthetic ammonia (NH3) fertilizers has increasingly pushed agricultural yields higher, but such productivity comes at a price. Over-application of this chemical can build up nitrate ion (NO3–) ...
Nanomaterials
Mar 25, 2011
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New insights into why and how nanowires take the form they do will have profound implications for the development of future electronic components. PhD student Peter Krogstrup from the Nano-Science Center at the Niels Bohr ...
Nanophysics
Mar 25, 2011
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Dating of recently discovered artifacts in South India indicates that early humans lived in the region more than a million years ago, and that they used distinct 'Acheulian' stone cutting tools, a new study reports in journal ...
Archaeology
Mar 25, 2011
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(PhysOrg.com) -- Schools that seek to help students who are underrepresented in advanced programs should treat them as gifted young scholars, an approach that can result in many of them actually performing at a gifted level ...
Social Sciences
Mar 25, 2011
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(PhysOrg.com) -- Oceanic wind speeds and wave heights have increased significantly over the last quarter of a century according to a major new study undertaken by ANU Vice-Chancellor Professor Ian Young.
Earth Sciences
Mar 25, 2011
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(PhysOrg.com) -- After the biggest mass extinction in Earth's history -- 250 million years ago -- ocean algae and bacteria rebounded so fast that they consumed virtually all the oxygen in the sea, slowing the recovery of ...
Earth Sciences
Mar 25, 2011
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Marine scientists from five research agencies have pooled their skills and resources to compile a directory of life on Australia's continental shelf.
Environment
Mar 25, 2011
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(PhysOrg.com) -- Microactuators are critical components for industrial applications such as MEMS, micro-medical devices, and microrobotics. However, the fabrication of increasingly sophisticated, millimeter sized microactuators ...
Engineering
Mar 25, 2011
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(PhysOrg.com) -- Conventional lenses can resolve structures around 200 nanometers (nm) in size, but scientists in Europe have for the first time developed a lens capable of achieving optical resolution of under 100 nm at ...
Australian senators have extended by two-and-a-half years the deadline for completion of the country's national broadband network in order to connect an extra million homes.
Telecom
Mar 25, 2011
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