Intermediate Word:  cycad (a) extinct giant insect  (b) palm-like fern  (c) contains two benzene rings  (d) chord of a circle divided by the distance of its midpoint from the circle's center
Difficult Word:
  Homoiusian -  (a) doctrine that all men are brothers  (b) ecce homo!  (c) Athanasian creed that God and Jesus are of the same substance  (d) Arian heresy that God and Jesus are of different substance

Wind power 'ahead of predictions'  - BBC  Onshore wind farms will provide about 5% of Britain's electricity by 2010, according to the British Wind Energy Association (BWEA). In a new report, it says turbines are being installed faster than predicted. If this is correct, onshore wind farms will take the government halfway to its target of generating 10% of electricity from renewable sources by 2010. The BWEA says that projects already constructed and those already approved will give a capacity of 3,000 megawatts (MW) by 2010. It identifies a further 3,000MW capacity which it says is "forecast to be consented and built" by the decade's end.   
Stem cells found in adult mouse testes  - Nature  Researchers in Germany have identified a potential source of reprogrammable cells in adults that could be used for regenerative therapy. The cells would be taken directly from the testis and cultured. No cloning or destruction of embryos would be necessary. The discovery opens up the possibility, at least for men, of having an endless source of fresh stem cells tailored to one's genetic makeup, which could be turned into any kind of body tissue and used for treatment. This has been the promise of stem cells taken from cloned embryos, but the use of cloned embryos has run into considerable ethical and technical problems (see 'Where now for stem-cell cloners?').

Roof top turbines

Sail of the century  - BBC  "In five years, the skylines of cities across the country are going to change. Micro wind turbines are going to be as common a sight as satellite dishes." The Co-operative Insurance Services building has 19 turbines, standing three metres tall, with each expected to save about a tonne of carbon dioxide a year. When the turbines are turned on later this month, Mr Monaghan expects the energy generated to pay back the installation costs in five years - and unlike "grandiose" environmental schemes, he says this has been relatively quick and cheap. Micro generation, with sufficient support, could provide 30% to 40% of the UK's electricity by the middle of the century. 

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