Uncategorized
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Immigration Blues: Born in the USA—Mental-health deficit
A wide array of psychological disorders occur at a higher rate among the U.S.-born offspring of immigrants than among the immigrants themselves, a national study finds.
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Kibble for Thought: Dog diversity prompts new evolution theory
A genetic mutation that researchers have examined in several dog breeds may drive evolution in many other species.
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19491
Reading this article, I puzzled over the statement that “domestication diverges from a standard model of evolution. . . .” Darwin’s primary evidence for The Origin of Species included observations of domesticated pigeons and other species, and even Mendel worked with garden peas. Yet hybridization and artificial selection have been considered evil or dirty for […]
- Materials Science
Mussel glue inspires coating for medical implants
An antifouling coating inspired by the sticky adhesive secreted by mussels could protect future medical implants from failure.
- Materials Science
Glass materials let Venetian art shine
Sixteenth-century Venetian painters mixed glassy materials with their paints to expand their palettes and enhance the vibrancy of their colors.
- Materials Science
Bonelike polymer supports stem cells
A polymer scaffold that mimics the environment in which natural bone grows provides stem cells with the right cues to lay down new bone.
- Materials Science
Buckyballs store 1s and 0s in new memory device
Scientists have created a material that stores bits of data in the soccer ball-shaped carbon molecules known as buckyballs.
- Health & Medicine
Colon scans reveal heart risk
Virtual colonoscopy may offer the side benefit of identifying heart attacks that are waiting to happen.
- Health & Medicine
Trade Center cough is diagnosed
Obstructions that trap air deep within the lungs may explain certain breathing difficulties among some people who worked at the site of the World Trade Center following Sept. 11, 2001.
- Materials Science
A light wrap?
Materials scientists have created fabrics that can both detect light and conduct electricity.
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Growing where they haven’t grown before
Researchers have found the right laboratory conditions for growing mouse precursor cells into sperm.
- Animals
Song Fights
Birds settle many of their disputes by some rough-and-tough singing bouts, and recording equipment now lets researchers pick a song fight, too.
