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Dietary supplements can give you the illusion of health invulnerability
A new study confirmed that taking dietary supplements increases the frequency of health-risk behaviors such as exercising less and eating poorly.
April 22, 2011
Earth in the year of 7 billion humans with Andrew Revkin
Revkin said about the population on Earth, "A new way of thinking is required. The old messages of 'woe is me' and 'shame on you' are so 20th century."
April 22, 2011
Wim Thomas on energy supply and demand
From Wim Thomas: Energy demand is growing, as emerging economies demand their share. How might global energy supply and demand come to balance in the future?
April 22, 2011
Pollen season longer now associated with a warming climate
A new scientific study documents how the ragweed pollen season has increased by as much as 13 to 27 days in northern latitudes since 1995.
April 20, 2011
Paul Epstein on climate change and our health
Paul Epstein is the author of Changing Planet, Changing Health, which investigates the risks to human health from climate change.
April 18, 2011
Nanofiber spheres injected with cells into wounds
When nanofiber spheres are injected with cells into wounds, the spheres biodegrade, but the cells live on to form new tissue.
April 17, 2011
Fertility drug HCG contains molecules linked to mad cow disease
Urine-derived human chorionic gonadotropin (HCG), used as a fertility drug, can carry prions, molecules that cause mad cow disease.
April 16, 2011
Twitter users surveyed after earthquake in Japan
Twitter users can benefit those seeking to broadcast or discover information in times of disaster, but a method for regulating false "retweets" might be needed.
April 16, 2011
Place wind turbines in farmers’ fields, study says
Can the U.S. meet the Department of Energy goal of 20% wind energy by 2030? New research suggests placing wind turbines in farmers' fields.
April 15, 2011
How bacterial dirigibles might someday target disease
Tiny bacterial factories dubbed “bacterial dirigibles” might someday deliver disease-fighting chemicals straight to a targeted body part - like your intestine.
April 14, 2011
