This Week: Scraps of ancient textiles found
In the News: Mystery of the disappearing ice sheet
Coffee used to be slandered as a mood-boosting, energy-enhancing addiction. But new research shows that the complex chemistry of coffee – java contains way more than just caffeine – may help with diabetes, dementia, heart disease, even some cancers. Where does the research stand? How convincing is it? Bottoms up?
To stay young, science says you drastically cut calories. It works for fruitflies, rodents, monkeys, and every mammal that has been tested. A new study proves that the benefit requires the Sirt-3 gene. Could Sirt-3 be the key to an anti-aging drug treatment?
The moment a knife slices through apple—spilling the contents of apple cells along the surface of the cut, and allowing everything to mix—a reaction begins. In particular, an enzyme known as polyphenol oxidase that had been held in check is loosed. Almost immediately, it begins altering polyphenols, a group of health-promoting chemicals with antioxidant activity [...]
30 years ago, a legendary biochemist said vitamin C could cure cancer. Har, har, said the scientific establishment. Now a mouse study shows C fighting two cancers. Did brilliant scientist and peace activist Linus Pauling get it right?
Age-related macular degeneration (AMD) destroys the light receptors used for reading and recognizing faces. Can a diet low in fat or high in antioxidants slow the disease?