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Health & MedicineBetter Beta: Cells grown in lab may treat diabetes
Scientists have developed a technique to mass-produce a type of pancreas cell needed for transplants into people with type 1 diabetes.
By Katie Greene -
ChemistryInto the Void: Porous crystals could do more chemistry
Chemists have devised a new approach that creates crystalline material with some of the largest pores yet.
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AnimalsLooks Matter: If swallows aren’t spiffy, mates’ fidelity is iffy
If a male barn swallow's plumage is more attractive than that of other males, his mate is less likely to have furtive flings with other wooers.
By Sid Perkins -
Health & MedicineFalling Influence: Influenza fighters have limited effects
The most readily available drugs against influenza have abruptly declined in effectiveness in the past decade.
By Ben Harder -
Planetary ScienceSun grazers: A thousand comets and counting
An amateur astronomer analyzing images from the Solar and Heliospheric Observatory has found the 999th and 1,000th comets detected by the craft.
By Ron Cowen -
TechLight sensor may improve battlefield tools
A new microscale ultraviolet-light sensor could help shrink the size of some military field systems used for detecting biowarfare agents and clandestine communications to the dimensions of a cell phone.
By Peter Weiss -
EarthSave the frogs
Researchers have drafted a proposed $400 million research-and-rescue plan for the world's amphibians, at least half of which are in decline or even facing serious risk of extinction.
By Janet Raloff -
HumansAnti-TB spending abroad could save money overall
Investing $44 million in tuberculosis-control programs in Mexico, Haiti, and the Dominican Republic might save the United States nearly triple that amount over the next 20 years.
By Ben Harder -
Health & MedicineAcne medicines can be a pain in the throat
Treatment with antibiotics for acne might predispose an individual to getting severe upper respiratory infections.
By Nathan Seppa -
PaleontologyDNA pegs Irish elk’s nearest relatives
Analyses of DNA of the Irish elk, which died out after the last ice age, may settle a long-running debate about the creature's place on the deer family tree.
By Sid Perkins -
HumansLetters from the October 1, 2005, issue of Science News
Name game Does the name of Honda’s robot, Asimo, have a meaning in Japanese, or is it just a tip of the hat to Isaac Asimov (“Easy Striders: New humanoids with efficient gaits change the robotics landscape,” SN: 8/6/05, p. 88)? Dennis LynchGlenshaw, Pa. Asimo’s name stands for Advanced Step in Innovative MObility.—N. Moreira Under […]
By Science News -
Health & MedicineSilenced gene may foretell colon cancer
A cancer-suppressing gene, which is often shut down in colorectal cancer, is sometimes silenced in healthy colorectal tissues as well.
By Nathan Seppa