World Science: One universe or many? Panel holds unusual debate
* One universe or many? A panel debates:
Physicists brawled over a question that's nearly
unanswerable, yet somehow very alive in science
* Brain found to mature faster in highest-IQ kids:
The thinking part of the brain thickens and thins
faster in high-intelligence youth as they grow,
* Evolutionary principles used to predict cancer:
Like a diverse ecosystem, a tumor with highly
diverse cells will evolve more quickly -- to cancer,
a study has found.
* Loneliness linked to health risk:
U.S. health officials say they're seeking ways to
ease loneliness nationwide, as a study has tied it
to to high blood pressure and other health risks.
* Science in images:
What does our planet look like during a solar
eclipse? A photo from the International Space
Station tells us.