4/15/2005:

Intermediate Word:  argent (a) completely enthusiastic  (b) silver metal  (c) oleaginous  (d) highly placed
Difficult Word:
  tuatara-  (a) Arabian desert tribesman  (b) bandalaro's cape  (c) close relative of the hanuman  (d) New Zealand "living dinosaur"

Wi-fi user, AP Data distilled How to use all the net, even when you are offline  - BBC  A hi-tech start-up called Webaroo is aiming to shrink the web so that it can fit into a laptop. It has already signed a deal to put its snapshot of the net on laptops sold by PC maker Acer. Eventually it will offer a "web-to-go" package that crams the most useful parts of the web into a block of data 40GB in size. To start with, Webaroo has put together software that lets people download the bits of the web they find want. A lot of what we use the net for such as searching out facts on Wikipedia, looking for hotels or merely satisfying our curiosity, can be done offline.     
Pills Drug firms 'invent diseases'  - BBC   Pharmaceutical firms are inventing diseases to sell more drugs, researchers have warned. Disease-mongering promotes non-existent diseases and exaggerates mild problems to boost profits, the Public Library of Science Medicine reported. Researchers at Newcastle University in Australia said firms were putting healthy people at risk by medicalising conditions such as menopause. Report authors David Henry and Ray Moynihan criticised attempts to convince the public in the US that 43% of women live with sexual dysfunction. They also said that risk factors like high cholesterol and osteoporosis were being presented as diseases. 

Mouse healing (Heber-Katz)

Mighty mouse Laboratory mouse shows amazing ability to heal itself  - BBC  Left: Hole closure is seen in MRL mouse (right), but not in the control (left)  While skin and hair cells constantly renew themselves, unlike a newt, if a human loses a leg, there is no second chance. But the discovery of a strain of mouse, the Murphy Roths Large (MRL), with remarkable regenerative capabilities has opened up the possibility that those properties could be transferred to other mammals. Professor Ellen Heber-Katz was looking at the effects of a drug, and had marked the mice that had received the drug by punching a small hole in their ear to distinguish them from those who had not. "I went upstairs and I looked in the cage, but none of the mice were marked," she said. "I looked at them and thought: 'what's happened?' I thought the post doc hadn't done the experiment. When they looked closer they saw that there had been DNA synthesis, cell proliferation and both cartilage and new hair follicles had also grown. When the team used a cold probe to make a small injury to the heart of the MRL mice they found that the tissue regenerated and there was no scarring. When they examined what happened after spinal cord injury, again they found cell re-growth and little scarring. Further work has shown that two genes, mmp9 and mmp2, may be implicated. "If we can deplete the factor causing scarring, then we might be able to enhance the regenerative ability of mammals in general " "You never really know when you're going to find the answer - it could be very far off or very close."



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