Uncategorized
- Health & Medicine
Brain gene activity changes through life
Studies track biochemical patterns from just after conception to old age.
- Humans
Facebook value overstated, study finds
Some estimates of the social networking site's worth appear to make impossible assumptions.
- Psychology
Digital bounty hunters unleashed
Internet technique shows promise as fast way to mobilize huge problem-solving teams.
By Bruce Bower - Life
Python’s heart-restoring elixir works in mice
A chemical brew used by snakes to build cardiac muscle could have medical applications.
By Susan Milius - Space
Chronicles of Lutetia
The surprising composition and terrain of an asteroid may provide a variety of lessons about the solar system.
By Nadia Drake - Life
Giant dinosaurs may have migrated
Evidence in teeth suggests that sauropods sought greener pastures in dry North American summers.
By Nick Bascom - Health & Medicine
HPV vaccine recommended for boys
A federal panel expands the reach of shots as a separate new study shows the immunizations prevent precancerous anal lesions.
By Nathan Seppa - Earth
A particulate threat to diabetics
As levels of soot and other fine air pollutants increased, so did blood pressure in patients whose disease was not well-controlled, a study finds.
By Janet Raloff - Life
Cause confirmed in bat scourge
White-nose syndrome has devastated bat population in eastern North America.
By Susan Milius - Life
Gut bacteria linked to MS
Gut bacteria appear to play a role in initiating multiple sclerosis in mice.
- Life
Gene makes some pilots get rusty faster
A common DNA variant affects the pace of age-related decline in performance on skilled tasks like flying a plane.
- Humans
Early farmers’ fishy menu
Northern Europeans retained a taste for aquatic foods after farmers arrived 6,000 years ago.
By Bruce Bower