News
- Health & Medicine
Let there be light
Researchers report restoring vision to people with a rare, genetic form of blindness. A different technique helped blind mice see again and could bring back some sight in people with macular degeneration, retinitis pigmentosa or other blinding diseases.
- Psychology
Smarten up
Taxing memory training produces at least short-term increases in a critical type of intelligence.
- Health & Medicine
Tripping up avian flu
Developing an effective vaccine for avian flu has been difficult, but small rings of DNA that hinder virus replication could offer an alternative.
- Earth
Climate fix could deplete polar ozone
Scientists seeking to cool Earth’s climate by injecting sulfuric acid droplets high in the atmosphere might trim rising temperatures but could also destroy much of the ozone in polar regions, a new study suggests.
