Uncategorized
- Health & Medicine
Breast density signals tamoxifen’s effectiveness
Decreasing breast density signals the drug tamoxifen is working in women at risk of developing breast cancer.
- Life
Hawaii’s honeyeater birds tricked taxonomists
DNA from old museum specimens reveals evolutionary look-alikes.
- Math
The happiness virus
Two studies apply social networking ideas to data from health studies of thousands of people, and suggest different interpretations of how contagious happiness or other experiences can be.
- Archaeology
Tools with handles even more ancient
An analysis of stone tools excavated at a Syrian site indicates that, around 70,000 years ago, Neandertals used a tarlike adhesive to affix sharpened items to handles.
