News
- Genetics
These genes may be why dogs are so friendly
Dog domestication may be the result of just a few genetic changes, including ones that made canines more interested in interacting with people.
- Archaeology
Humans first settled in Australia as early as 65,000 years ago
Australia may have said “G’day” to humankind thousands of years earlier than previously believed.
- Health & Medicine
Common drugs help reverse signs of fetal alcohol syndrome in rats
A thyroid hormone and a blood sugar drug affect levels of a hormone needed for brain development, study in rats shows.
- Genetics
Dog domestication happened just once, ancient DNA study suggests
DNA of ancient canines counters idea that dogs were domesticated twice, in Europe and Asia.
- Physics
Scientists peek inside the mind of Maxwell’s demon
Scientists probe information retained by Maxwell’s demon.
- Planetary Science
Giant mud balls roamed the early solar system
The first asteroids may have been great balls of mud, which would solve some puzzling features of meteorites.
- Animals
Water bears will survive the end of the world as we know it
Water bears have a till-death-do-us-part pact with the sun, study suggests.
- Life
These bacteria may egg on colon cancer
Streptococcus gallolyticus may goad colon cancer growth.
- Animals
Ravens pass tests of planning ahead in unnatural tasks
Clever birds may have evolved their own broad powers of apelike thinking about the future.
- Neuroscience
Brain activity helps build an alpha male
In mice, nerve cells in the prefrontal cortex influence whether an individual is dominant or submissive.
- Earth
Delaware-sized iceberg breaks off Antarctic ice shelf
An iceberg about the size of Delaware splintered from the Larsen C ice shelf in one of the largest calving events ever recorded.
- Health & Medicine
The fight against gonorrhea gets a potential new weapon: a vaccine
A vaccine used in New Zealand to curb meningitis also appeared to drop gonorrhea infections, results that hint at a way to make a gonorrhea vaccine.
