News
-
Mental letdown for antipsychotic meds
People with chronic schizophrenia get surprisingly modest improvements in memory and learning from new as well as old antipsychotic medications.
- Earth
Storm Norms: Caribbean corals and sediments yield clues to hurricane frequency
The recent increase in hurricane activity in the North Atlantic, a phenomenon that some scientists blame on climate change, actually reflects a return to normal after a lull in the 1970s and 1980s.
- Astronomy
Galactic Émigré: Incoming dwarf galaxy could feed its larger kin
A dwarf galaxy at the periphery of the giant Andromeda galaxy may be a pristine building block for forming galaxies in the modern-day universe.
- Animals
Scary Singing: Precise birds signal, ‘Don’t mess with us’
A pair of magpie-larks can advertise their toughness by the precision of the duets they sing.
- Health & Medicine
Blending In: Dissolvable stents promise to protect arteries
A biodegradable magnesium stent props open clogged blood vessels and then dissolves, circumventing the problems linked to permanent metal stents.
- Anthropology
Chicken of the Sea: Poultry may have reached Americas via Polynesia
Polynesians may have traveled back and forth to South America more than 600 years ago, introducing chickens to the Americas in the process.
- Tech
Nanotech bubbles
Creating large-scale, regular arrays of nanoscale components is now almost as easy as blowing bubbles.
- Chemistry
In a Fix: Agricultural chemicals disturb a natural relationship
Several pesticides can disrupt a partnership that enables certain plants to take up nitrogen by enlisting the help of bacteria.
- Health & Medicine
Guilt by Association: Whole-genome scans yield disease clues
In a sweeping demonstration of the power of the new biology, researchers have linked two dozen genetic variations to six major diseases.
- Health & Medicine
Animal-to-human diseases could be right at home
A new map of where SARS or Ebola might erupt next highlights North America and Western Europe as likely sources.
- Health & Medicine
Beware the bats
Fruit bats in Bangladesh regularly trigger small outbreaks of Nipah virus, a measleslike pathogen that causes brain inflammation and death.
- Health & Medicine
Phages break up plaques
Phages, viruses that infect bacteria, dissolve plaques in the brains of mice with an Alzheimer's-like disease.
