Intermediate Word:  varve -  (a) vivacity  (b) seasonal sediment deposit  (c) meat hook  (d) nimiety
Difficult Word: - quattrecento    (a) a group of 400  (b) paper folded into four leaves  (c) the 1400's  (d) prayer book

Image of breast cancer cells Thyroid gland breast cancer clue  - BBC  Dr Massimo Cristofanilli's team compared the medical records from 1,136 women with breast cancer and 1,088 healthy women attending their breast screening clinic in Texas. They found women with hypothyroidism had a 61% lower risk of developing invasive breast cancer. When they did develop breast cancer, it was typically diagnosed at an earlier stage and when the tumour was smaller in size. Women in the breast cancer group were also 57% less likely to have hypothyroidism than the healthy women. There have been conflicting views about the effect of thyroid hormones on the breast. 
Martian Fire And Ice - SpaceDaily  Left:  Clouds and frost cover on the north Martian pole from Mars Orbital Camera. Credit: NASA/ JPL/ MSSS MOC.  Glaciers moved from the poles to the tropics 350,000 to 4 million years ago, depositing massive amounts of ice at the base of mountains and volcanoes in the eastern Hellas region near the planet's equator, based on a report by a team of scientists analyzing images from the Mars Express mission. In a second report, the international team reveals previously unknown traces of a major eruption of Hecates Tholus less than 350,000 million years ago. In a depression on the volcano, researchers found glacial deposits estimated to be 5 to 24 million years old. The team also concludes that Mars is in an "interglacial" period. As the planet tilts closer to the sun, ice deposited in lower latitudes will vaporize, changing the face of the Red Planet yet again.

Climate: A Hard Look At The Long Term - SpaceDaily  One of the ironies of the global warming debate is that anyone on any side of the argument is likely to be around long enough to say, "I told you so."  The climate changes under discussion mostly are gradual, occurring over a timeline of generations - 50 years, 100 years or more. Consequently, the argument by climate skeptics that humanity will have time to adapt - perhaps even adapt easily - is difficult to disprove. Likewise, the counter argument - that although humanity may be able to adapt, animals and plants may not - remains to be seen. In any case, the factions probably will have to hand off their "I-told-you-sos" to subsequent generations  

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