Electric solar wind sail could make bidirectional manned Mars flights economically feasible
The E-sail is a novel propellantless technology that was invented in Finland in 2006. The E-sail utilises long, charged tethers to convert natural solar wind momentum flux into spacecraft thrust.
Oil from Russian trawler wreck reaches Canaries' beaches
Oil from the wreck of a Russian trawler that sank off the Canary Islands last week has washed up on the beaches of the picturesque tourist islands, Spain said.
Toyota to provide first hydrogen-fueled pace car
A hydrogen-fueled vehicle will lead the field at a NASCAR race for the first time when a 2016 Toyota Mirai serves as the official pace car Saturday night at Richmond.
Going with the flow? Research provides better understanding of soils and water
When it comes to soil and water, predictability is important—but difficult.
Ship ballast dumps around Australia climbing increasing risk of invasive species getting foothold
Soil moisture detector helps protect endangered South African forest
A University of Nebraska-Lincoln researcher's high-tech soil moisture detector is being put to the test in the wild. Hydrogeophysicist Trenton Franz is applying technology developed for precision agriculture ...
High levels of lead contamination in northeast Tasmanian drinking water
A new study into lead contamination in North-East Tasmanian drinking water has revealed high levels of lead, from a surprising source.
International experts analyze impacts of Ethiopian dam
According to present plans, the Grand Ethiopian Renaissance Dam (GERD)—now under construction across the Blue Nile River in Ethiopia—will be the largest hydroelectric dam in Africa, and one of the 12 ...
Weird: Four rainbows photographed, but not quadruple rainbow
A photo of four rainbows in New York is striking a pot of gold on social media, but an expert in such rare events said this isn't quite the quadruple miracle that it seems.
For Earth Day, turn off the faucet and the ignition
To mark Earth Day on Wednesday, experts suggest you consider making lifestyle changes that will reduce your impact on the planet.
Water forms common thread in diverse rainforest ecosystems
Rainforests, which are so critical to the earth's climate that they are frequently called the planet's lungs, are often thought of as a single collection of ecosystems. But researchers at Princeton University ...
Can human behaviour fix the California drought?
California is experiencing a drought that has gone far beyond a "dry spell".
Quantum model helps solve mysteries of water
Water is one of the most common and extensively studied substances on earth. It is vital for all known forms of life but its unique behaviour has yet to be explained in terms of the properties of individual ...
China's struggle for water security
Way back in 1999, before he became China's prime minister, Wen Jiabao warned that water scarcity posed one of the greatest threats to the "survival of the nation".