Uncategorized
- Astronomy
‘Supernova sweeping’ cleans up a galaxy’s gas
Supernovas might sweep the remaining gas out of a galaxy after a supermassive black hole triggers the end of star formation.
- Materials Science
A new spin on guiding sound waves along a one-way route
A proposed acoustic topological insulator made of an array of spinning metal rods would channel sound waves in one direction along its edge, preventing any sound from bouncing away.
By Andrew Grant - Materials Science
Suds turn silver nanoparticles in clothes into duds
Bleach-containing detergents destroy antibacterial silver nanoparticles that coat clothes.
By Beth Mole - Astronomy
Enigmatic 17th century nova wasn’t a nova at all
A nova observed in 1670 was actually two stars colliding, new evidence suggests.
- Genetics
Ebola virus not mutating as quickly as thought
The virus causing the current Ebola epidemic in West Africa is not evolving as quickly as some scientists had suggested.
- Psychology
Long-term study complicates understanding of child abuse
Sexual abuse and neglect get reported more if parents were maltreated as kids, which may lead authorities to overestimate some children’s risk of abuse.
By Bruce Bower - Climate
Antarctic ice shelves rapidly melting
Melting around Antarctica is accelerating, with several ice shelves projected to vanish entirely within 100 years.
- Life
No-fishing scheme in Great Barrier Reef succeeds with valuable fishes
Coral trout are thriving in marine protected areas in the Great Barrier Reef, but the no-take zones are having a smaller effect on other reef residents, a new 10-year report card shows.
By Susan Milius - Chemistry
Idea for new battery material isn’t nuts
Baking foam peanuts at high heat can form wee structures that lure lithium ions and could make for cheaper, more powerful batteries.
By Beth Mole - Genetics
Iceland lays bare its genomes
A detailed genetic portrait of the Icelandic population is helping scientists to identify the genetic underpinnings of disease.
- Psychology
Rethinking light’s speed, helping young adults with autism and more reader feedback
Readers discuss the best ways to replicate findings in scientific studies, help teenagers with autism transition to adulthood, and more.
- Chemistry
Air pollution molecules make key immune protein go haywire
Reactive molecules in air pollution derail immune responses in the lung and can trigger life-long asthma.
By Beth Mole