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Health & MedicineYou’re Feeling Sleepy . . . : Anesthetics activate brain’s sleep switch
Anesthesia's sedative effect may depend on activating sleep circuits in the brain.
By John Travis -
PlantsTime Capsules: Seeds sprout 120 years after going underground
An experiment designed by a botany professor to last longer than his own life has demonstrated that seeds of two common flowers still sprout and blossom despite more than a century in a bottle.
By Susan Milius -
Health & MedicineFlower Power: Corn lily compound stops cancer in mice
A new study in mice suggests that cyclopamine, a plant derivative that causes birth defects in animals, can inhibit medulloblastoma, a brain cancer in children.
By Nathan Seppa -
Planetary SciencePlanetary Beginnings: Data reveal Earth’s quick gestation
Two new studies confirm that Earth's core formed in a hurry—during the first 30 million years after the solar system's birth.
By Ron Cowen -
ChemistryDown to the bone
A new method for making bone cement could simplify hip and knee replacements and improve the surgeries' outcomes.
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19111
Regarding this article, I was shocked. Not by the findings but the resources that were wasted. I have been involved in the radiation sterilization of medical devices for 30 years. Yellowing and brittleness of cellulose materials is well known, as are discoloration and damage to many plastics. Computer chips, CDs, film, and video and audiotapes […]
By Science News -
Materials ScienceWhat the mail must go through
Mail irradiation in Washington, D.C. is damaging valuable objects and documents intended for scientific study or archiving at the Smithsonian, the White House, and other government organizations.
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19109
The image in this article looks to me more like a yo-yo or taco than a hamburger. Then again, turned 45 to the left, it looks like the mouth of a frog with two small eyes on top. Jacky MemoleLargo, Fla.
By Science News -
AstronomyAn image to relish
The Hubble Space Telescope has captured a high-resolution image of an object that looks like a giant hamburger.
By Ron Cowen -
ComputingWriting faster with your eyes
A new method for gaze-operated, hands-free text entry is faster and more accurate than using an on-screen keyboard.
By Kristin Cobb -
Health & MedicineLost and found
Researchers have shown that a drug may shepherd a mutated protein—gone astray in people with cystic fibrosis—into its proper place.
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Health & MedicineProcessing corn boosts antioxidants
Cooking sweet corn increases its disease-fighting antioxidant activity, despite decreasing its vitamin C content.
By Kristin Cobb