Health & Medicine
- Chemistry
Headache tree is a pain in the brain
Following a gardener’s lead, researchers discover an ingredient in bay laurel that causes uncomfortable swelling of cranial blood vessels.
- Life
Axing molecular zombies may slow aging
Killing off dormant cells slows the decline of mice genetically engineered to grow old fast.
By Nick Bascom - Physics
The sound of screech
Auditory experts decipher the blood-curdling nature of fingernails on a chalkboard.
By Devin Powell -
- Health & Medicine
Brain gene activity changes through life
Studies track biochemical patterns from just after conception to old age.
- 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
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.
- Health & Medicine
Annual Meeting of the Infectious Diseases Society of America and the HIV Medicine Association
The mystery of HIV elite controllers, a vaccine against C. difficile, blood transfusion and infection, and contaminated public surfaces.
By Science News - Health & Medicine
Measles cases up in U.S. and Canada
Both countries report 2011 to be the worst year since the mid-1990s.
By Nathan Seppa - Health & Medicine
Malaria vaccine yields protection
In its first large-scale test, the experimental immunization cuts risk of disease in about half of the children getting it and limits severe infections, researchers report.
By Nathan Seppa - Health & Medicine
Teen brains’ growing pains
Testing captures substantial changes in some youths’ IQs and gray matter.