Intermediate Word:  debouch   (a) climb down  (b) emerge  (c) undo  (d) disappear
Difficult Word: - tahini  (a) sesame sauce  (b) adolescent Hawaiin girl  (c) grass skirt  (d) Indonesian dance

Fly (BBC) Cloning of flies is latest buzz  - BBC  Five genetically identical fruit flies were produced at the lab of Dr Vett Lloyd at Dalhousie University in Halifax, Nova Scotia, Canada. Fruit flies have long been a "model" to study reproductive biology and the team thinks its insects may help science understand why cloning is often flawed. The Dalhousie fly clones were produced in a slightly different way to the method made famous with Dolly the sheep. For the Dalhousie flies, the donor genetic material came not from an adult cell but from an embryo cell. It took about 800 transfers to produce the five fly copies.
Polar bears (University College London) Arctic heads into warmer future  - BBC  Left:  Polar bears use the ice floes to hunt seals.  The Arctic is undergoing rapid and possibly irreversible change, according to a new report prepared for the eight nations which rim the region. The Arctic Climate Impact Assessment (ACIA) endorses recent warnings about melting ice, with perhaps all ocean ice disappearing in summers by 2060-2100. The statement, to be published next week, has concerns too about raised levels of ultraviolet light brought about by ozone thinning. Average Arctic temperatures have risen at twice the rate seen elsewhere on the planet. 

Horses ploughing   PA

Climate gas cuts 'are affordable'  - BBC  Left:  Friendlier farming is one way to tackle climate change.  The world can ward off a dangerous rise in temperature much more cheaply than many people think, a UK scientist says. Professor John Schellnhuber, of the University of East Anglia, believes the cost of averting runaway climate change could be as low as 0.3% of global GDP. He is telling a high-level conference in the German capital, Berlin, that the world can avoid a major catastrophe. But he says there is no simple solution for reducing greenhouse gases, and the world will need a mix of strategies.

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