Wednesday, 8 February, 2012

History shows societies collapse without soil. What can the world cando to keep our dirt clean?

Monkeypox, AIDS, SARS: Are more diseases jumping from animals to people, or is it just our imagination?

To battle the bulging waistline, the feds have devised 12 food pyramids to help choose a lifestyle that balances nutrition and excercise. Is this mound helpful?

Is bottled water safe and pure? Is bottled water better than tap water? Can you overdose on water? And where did the “8 glasses a day” myth originate?

Genetic engineering may not be the best way to make more food; plant breeding remains vital. As grain production flattens, should we be supporting more plant breeders?

Could a drastic restriction on calories extend your lifespan? Hint: It works for fish, flies and monkeys…

Diamonds, mating and chocolate: three necessities of Valentine’s Day.

Treating cow manure with carbonate reduces threat from dangerous E. coli bacteria. Should this treatment be used more widely?

Fungus that caused Irish potato famine is back, threatening potato crops around the world. How did the blight change world history, and what is being done to prevent another blight?

New worries about mad cow disease, Creutzfeldt-Jacob disease and chronic wasting disease in Europe and United States. Cows do it. Deer do it. Do humans do it?