ScienceDaily: Biotechnology News |
- Tiny amounts of alcohol dramatically extend a worm's life, but why?
- How the 'street pigeon' got its fancy on
- Birds of a feather don't always stick together
| Tiny amounts of alcohol dramatically extend a worm's life, but why? Posted: 20 Jan 2012 03:45 PM PST Minuscule amounts of ethanol can at least double the life span of a tiny worm used as a model for aging studies, biochemists report. "This finding floored us; it's shocking" said the senior author of the study.  |
| How the 'street pigeon' got its fancy on Posted: 19 Jan 2012 10:35 AM PST Pigeons come in all colors, shapes, and sizes. Some have feathers reaching up over their heads like a hood. Others have feathers all the way to the tips of their toes or fanned out on their tails like tiny turkeys. Now, researchers have traced the birds' family tree in an effort to sort out how all that remarkable variation came to be.  |
| Birds of a feather don't always stick together Posted: 19 Jan 2012 10:31 AM PST Pigeons display spectacular variations in their feathers, feet, beaks and other physical traits, but a new study shows that visible traits don't always coincide with genetics: A bird from one breed may have huge foot feathers, while a closely related breed does not; yet two unrelated pigeon breeds both may have large foot feathers.  |
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