Uncategorized
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Memorable Shot: Smallpox vaccine has lasting effect
People vaccinated against smallpox decades ago may retain significant immunity to the virus that causes the disease.
- Agriculture
Mad Cow Future: Tests explore next generation of defenses
As Canadian health officials investigate mad cow disease within the country's borders, researchers are already working on the next generation of defenses.
- Chemistry
Multiple Motions: Applied electrons make molecules vibrate and move
A new technique enables scientists to choreograph individual molecules to vibrate, break bonds, and move on a surface in specified ways.
- Earth
Count Down: Chemicals linked to inferior sperm
New data suggest that typical exposures to chemicals called phthalates are associated with reduced fertility in men, but the specific phthalates they finger aren't those that researchers most expected to cause problems.
