How very tall trees transfer water to the very top of their branches | Doobybrain.com A video explanation of how very tall trees get water from their roots up to the crowns. More interesting and complex than I thought. (tags: video science Trees ) Gallery – The best of Wildlife Photographer of the Year 2012 – Image 1 – New Scientist Another and different set to of photographs from an annual competition. (tags: photography wild life ) Is China’s Demand for Coal Evaporating? | Sightline Daily Demand for coal imports in China could be weakening because of lessening demand and shifts to other forms of power. (tags: global warming greenhouse gases exports coal ) Mirrored from Nature Intrudes . Please comment over there.