A plan to boost low-income solar options

Expanding solar energy to low-income homes could provide an economic boost to less affluent District families, according to a group of city stakeholders, including the GW Solar Institute and DC Solar United Neighborhoods.

Quokka 'pellets' best determiner of population abundance

Resesarchers have put a method of estimating animal population size to the test—and found counting a species' faecal matter is the most accurate way to sum up their abundance quickly—at least with quokkas.

How sperm get into the zona

Before it can fertilize an egg, a sperm has to bind to and bore through an outer egg layer known as the zona pellucida. Despite decades of research, some of the biological mechanisms behind this process remain unclear. A ...

Wind turbine payback

US researchers have carried out an environmental lifecycle assessment of 2-megawatt wind turbines mooted for a large wind farm in the US Pacific Northwest. Writing in the International Journal of Sustainable Manufacturing, ...

It's hurricane season and NASA is ready like never before

What's in the cards weather-wise for the 2014 Atlantic hurricane season? Although the start of astronomical summer for the northern hemisphere is still over a week away on June 21st, meteorological summer has already begun ...

TOSA buses power up for less

EPFL scientists have developed a mathematical model to minimize the infrastructure and operational costs of the TOSA ultra-rapid rechargeable electric bus system.

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