Nutrition Roundup
Eating grapes protects against macular degeneration in mice.
MARVELS OF EVOLUTION - A prehistoric pregnancy clears up a Mesozoic mystery. The economics of plant-fungi cooperation. How to get six butterflies in one. Counting up the species on earth. And how your stress could be bad news for your mate if you're a finch.
FEAR, LIES & SHRINKING BRAINS - Why our brains shrink, but chimps' don't, why computers are better at spotting lies than we are, and an enzyme for fear. Also, medical electronics that resemble tattoos, and how organic chicken farms could be a boon to public health.
WATER EVERYWHERE - Astronomers have discovered the largest cache of water ever, and researchers are developing new software for detecting contamination of municipal water supplies. Also: Round robots to help safeguard nuclear power plants.
THE SCIENCE OF FACES: when pigeons look at us, and the genes behind how we look at faces. Also: what causes hot flashes, determining your age from your DNA, and the hormone behind stress eating.
A new study links a failing sense of irony to a form of early-onset dementia.
The surprising way the brain processes Braille, bilingualism staves off dementia, and new research on stuttering. Also: why being lonely could change how your immune system works, and the relationship between popularity and bullying.
A small minority of people can fight the HIV virus with their own immune systems. A new study identifies just a few genetic differences that set them apart from those for who the disease has progressed.
Researchers have identified some genetic similarities in people who live for over 100 years.
ANIMALS: How dolphins breathe, sea snails that hide their gender, the genetics and epigenetics of ant colonies, and looking mad-cow disease in the eye.
Cold weather heart attacks, a new test for ovarian cancer, high-elevation adaptations, what the numbers on a bottle of motor oil mean, and a telephone translator.
A listener asks: how long should you wait after applying sunscreen before going outside?
CUTTING-EDGE MEDICINE: Re-growing joints and re-constructing faces, the link between gut bacteria and multiple sclerosis, and octopus venoms that could treat pain.