News
- Physics
Collider is cookin’, but is it soup?
By making the densest, hottest matter ever in a lab, smashups between fast-moving nuclei in the Relativistic Heavy Ion Collider are coming closer than ever to reproducing the superhot, primordial fluid that presumably filled the universe immediately after the Big Bang.
By Peter Weiss - Physics
Light Stands Still in Atom Clouds
Ordinarily in continuous motion, light pulses come to a dead stop in specially prepared atom clouds.
By Peter Weiss - Health & Medicine
Found: Mutation for deadly nerve disorder
Two research teams have discovered the genetic mutation that causes familial dysautonomia, a lethal hereditary disease that causes nervous system damage.
By Nathan Seppa - Health & Medicine
Radiation therapy keeps arteries clear
Two new studies add to the growing evidence that radiation treatment may keep arteries open longer after angioplasty.
By Linda Wang -
Cells have molecule for protein triage
A molecule called CHIP slates bad proteins for destruction and may lead to heart disease therapies.
- Chemistry
New technique makes water droplets sprint
A newly developed process encourages water droplets at the hydrophobic center of a wafer to speed outward to a water-friendly edge.
- Math
Quirks of video poker
Even with perfect play over a long time, unfavorable odds and limits on how much a gambler may win per machine make playing video poker into a losing game.
- Math
Reassessing an ancient artifact
The famous Mesopotamian clay tablet known as Plimpton 322 represents an ordered list of worked examples that a teacher would use to prepare a sequence of closely related questions about squares and reciprocals for student exercises.
- Health & Medicine
Dietary stress may compromise bones
Internal conflict about what and how much to eat not only induces production of a stress hormone but also may eventually weaken bones.
By Janet Raloff - Health & Medicine
Raloxifene doesn’t hike breast density
Estrogen-replacement therapy that includes estrogen increases breast-tissue density among postmenopausal women, but the estrogen-replacement drug raloxifene doesn’t.
By Nathan Seppa -
Flood’s rising? Quick, start peeing!
Malaysian ants that nest in giant bamboo fight floods by sipping from water rising inside and then dashing outdoors to pee.
By Susan Milius -
Warblers make species in a ring
Genetic and song analyses of the greenish warblers in forests around the Tibetan Plateau suggest the birds represent a long-sought evolutionary quirk called a ring species.
By Susan Milius