News
- Health & Medicine
HPV screen beats Pap smear
A test for human papillomavirus outperforms the standard Pap smear in catching precancerous cervical lesions, a study of women age 30 and over shows.
- Space
Heavyweight galaxies in the young universe
New observations of full-grown galaxies in the young universe may force astrophysicists to revise their leading theory of galaxy formation, at least as it applies to regions where galaxies congregate into clusters.
- Physics
Spin control for technology
Long-lived helix offers a new way to keep electron spin stable and in sync
- Space
Planet hidden in Hubble archives
A new way to process images reveals an extrasolar planet that had been hiding in an 11-year-old Hubble picture.
- Math
Chicks do arithmetic
Using the natural inclination of young chickens to cluster in large groups, researchers show that the birds are hatched with a numerical sense.
- Life
Genes help monarchs migrate
At least 40 genes help monarch butterflies find their way to overwintering sites in Mexico.
- Health & Medicine
Parasites hinder immunity against cholera
Harboring intestinal parasites seems to limit a person’s ability to fend off cholera, a new study conducted in Bangladesh shows.
- Life
Louse-y genome surprise
Blood-sucking body lice have an odd arrangement of mitochondrial genes.
- Health & Medicine
Autism immerses 2-year-olds in a synchronized world
By age 2, kids with autism focus on synchronized physical events, such as a person’s moving lips accompanied by sounds, rather than on eye movements and other social cues, a new study suggests.
- Life
Dissing a loaded label for some unicellular life
Prominent biologist calls ‘prokaryote’ outdated term.
- Earth
Tallying emissions in ports and at sea
Ships are major contributors to acid rain and ground-level ozone concentrations in some parts of the world.
- Space
Ice cubes in space
Planetary scientists have determined the composition and orbits of two moons at the fringes of the solar system, finding that the bodies were created when an impactor struck the dwarf planet that they now orbit.
