News in Brief
- Health & Medicine
Triplet births decline as IVF practice evolves
The number of U.S. pregnancies resulting in three or more babies has gone down since 1998.
- Health & Medicine
Cell counts provide a read on ovarian cancer
New technology might discern which tumors are most dangerous and help guide treatment.
- Animals
How the ghost shark lost its stomach
The lack of a digestive organ in fish and other animals is linked to genetics.
- Earth
Earth’s plate boundaries may nurture diamond formation
An experiment mimicking conditions deep in the Earth suggests that some tectonic plate boundaries may make ideal diamond nurseries.
-
- Neuroscience
Fear can be inherited
Parents’ and even grandparents’ experiences echo in offspring, a study of mice finds.
- Astronomy
ISON seems to have survived close call with sun
Comet ISON seems to have emerged from its brush with the sun diminished but intact, according to the latest reports.
- Astronomy
Comet ISON approaches sun for Thanksgiving flyby
On Thanksgiving, Comet ISON will pass near the sun and may disintegrate.
- Health & Medicine
Simple dietary supplements could help stave off AIDS
Many people newly infected with HIV stayed healthy on regimen involving multivitamins and selenium.
- Health & Medicine
Whooping cough vaccine may still allow some level of infection
Animal tests show pertussis shots stave off symptoms but allow spread of the bacteria.
- Agriculture
Probiotics may protect piglets from E. coli infection
Beneficial bacteria could replace antibiotics in pig feed.
- Materials Science
Invisibility cloaks could slim down with active approach
The new light-canceling technique could hide objects of any shape and size.
