Chemistry
- Chemistry
Naming an atomic heavyweight
More than a decade after its debut in a German lab, element 112 is officially named copernicium.
- Chemistry
Tiny molecules walk the track
Researchers design synthetic “walking” molecules that may one day haul cargo in artificial micromachines.
- Materials Science
A charge for freezing water at different temperatures
Experiments use positive and negative forces to control ice formation at temperatures well below the normal freezing point.
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- Chemistry
New material sops up radioactive cesium
Isotope catcher could safely store waste from power plants.
- Materials Science
Breakup doesn’t keep hydrogel down
Scientists create a new material that is strong, soft and self-healing.
- Life
Snail in shining armor
A deep-sea gastropod’s natural shield may offer ideas for human protection.
- Earth
BPA is regulated . . . sort of
Food and Drug Administration officials “say they are powerless to regulate BPA” because of a quirk in their rules, according to a story that ran Sunday in the Milwaukee Journal Sentinel. It comes from a reporter who has made an award-winning habit of documenting the politics that have helped make the hormone-mimicking bisphenol-A a chemical of choice for many manufacturers.
- Physics
Symmetry found hidden in supercold atoms
Scientists have detected an elusive, complex symmetry in the frequencies of resonating particles
- Chemistry
Climate deal reached, importance debated
“Finally, we sealed the deal. And it is a real deal,” said United Nations Secretary General Ban ki-Moon this morning at an 11:15 press briefing. He was referring to a new climate accord – one aimed at reducing global greenhouse-gas emissions and setting up a green trust fund for mitigation and adaptation programs in the world’s poorest countries, ones that are already being hammered by a changing climate.
- Chemistry
2009 Science News of the Year: Molecules
Tangles of collagen IV chains link at globules via sulfur-nitrogen bonding (illustrated above). Credit: Courtesy of Science/AAAS New bond in the basementBasements house hidden treasures — including a chemical bond never before seen in living things. Scientists have discovered that collagen fibers in the basement membrane — a tough, structural layer of cells that surrounds […]
- Chemistry
Batteries made from nanotubes … and paper
Scientists have made batteries and supercapacitors with little more than ordinary office paper and some carbon and silver nanomaterials.
