1. Men with lower blood cholesterol may be protected against the
most deadly forms of what? 2. What was described by union bosses as
"an incredible turnaround"? 3. Climate change is set to make
what more expensive, and harder to obtain? 4. What was voted the most
important modern discovery in a Science Museum poll? ANSWERS 1. Prostate
cancer, a US study has shown. 2. US car giant General Motors' shock
decision to scrap plans to sell its Vauxhall arm. 3. Insurance, the
Association of British Insurers warned - predicted rises in temperatures
will significantly increase the cost of flood and wind storm damage. 4.
The X-ray - in the Science Museum's poll of members of the public.