News
-
PhysicsNew signs of shadow particles
The influence of as-yet-undiscovered heavy particles outside of today's prevailing theory of particle physics may have accelerated the rate at which subatomic muons wobbled in a recent experiment.
By Peter Weiss -
Growth factors make an egg grow up
Scientists have identified growth factors that enable a female mammal's eggs to mature.
By John Travis -
AstronomyScoping out a stellar nursery
Penetrating a veil of dust, a space-based infrared observatory has recorded the most complete portrait ever taken of a star-forming region in a nearby galaxy.
By Ron Cowen -
Health & MedicineVitamin D and multiple sclerosis
Women who consume little vitamin D develop multiple sclerosis at a rate about 50 percent higher than those who get lots of the nutrient.