News
- Astronomy
Tidal tails tell tales of newborn galaxies
Some streams of gas and dust ripped out of large galaxies appear to form their own galaxies and may provide astronomers with a close-up view of galaxy formation.
- Physics
Glass may magnify ultrasmall-world oddities
A puzzling and unexpected response to magnetic fields suggests that certain glasses may exhibit a type of large-scale quantum mechanical behavior never seen before.
-
Bt broccoli test: Refuges cut pest resistance
The first field test of a strategy for controlling insect resistance in a crop engineered to carry genes from the pesticide-producing bacterium Bacillus thuringiensis confirms the value of refuges in which some insects live without pesticide exposure.
- Health & Medicine
Antibodies fight Ebola virus in mouse test
Specially designed antibodies can thwart Ebola virus in mice by binding to a glycoprotein on the surface of virus-infected cells, suggesting a potential treatment for the lethal disease.
- Materials Science
Foamy polymers hit goal right on the nose
Biodegradable polymer foams made with a new technique can act as scaffolds for regenerating tissues that may someday be used as replacement body parts.
- Health & Medicine
Fused cells hold promise of cancer vaccines
A vaccine composed of tumor cells fused to immune cells has helped several people survive advanced kidney cancer.
- Earth
Recent heat may indicate faster warming
A new analysis of temperature records indicates that global warming may be picking up its pace.
- Archaeology
Ancient Asian Tools Crossed the Line
Excavations in China yield surprising finds of 800,000-year-old stone hand axes.
- Health & Medicine
Arctic Sneeze: Greenlanders’ allergies are increasing
Allergies in Greenland nearly doubled from 1987 to 1998.
- Chemistry
Wine Tasting: Instrument can sniff out vinegar in sealed wine
A new system could determine whether a sealed bottle of wine has turned to vinegar.
-
Chimp Change: Did an HIV-like virus ravage early chimps?
Modern chimpanzees may be the offspring of survivors of an HIV-like pandemic that took place 2 million years ago.
- Physics
Bitty Beacon: Wee disks probe materials at microscales
Illuminated by lasers, disks no larger than red blood cells can project rotating beams bright enough to create a light show in a darkened room.
