Uncategorized
- Health & Medicine
Fragile X protein reveals its RNA partners
The master gene behind fragile X syndrome—the most common inherited form of mental retardation—encodes a protein that binds to strands of messenger RNA.
- Earth
Ripples Spread Wide from Ground Zero
Seismic vibrations produced by the collapse of the twin towers of the World Trade Center in lower Manhattan were recorded by seismometers scattered across the Northeast, some more than 425 kilometers away.
- Earth
The Mountain
Tall, steep slopes, a crest of glacial ice that's larger than that on any other mountain in the lower 48 United States, and a burgeoning population in its surrounding valleys combine to make Washington state's Mt. Rainier the most dangerous volcano in America.
- Earth
Coral-killing army recruits human bugs
The army of pathogens responsible for black band disease, which kills corals, contains some human bacteria that polluted waters carry out to sea.
- Earth
Greeks sailed into ancient Trojan bay
A combination of sedimentary analysis and careful reading of classical literature helps pinpoint where the Greek fleet that attacked Troy came ashore.
- Earth
Warm spell did little for Eocene flora
A rapid warming period that began the Eocene epoch dramatically reshaped North America's animal community but not the continent's plants.
- Math
Canary Songs
All it takes to sing like a canary is good breath and muscle control. Simply by manipulating air pressure and muscle tension in its vocal organ, or syrinx, a canary can generate an amazingly varied repertoire of trills, warbles, and other melodic syllables. This insight comes from a novel mathematical model of sound production in […]
- Math
Canary Songs
All it takes to sing like a canary is good breath and muscle control. Simply by manipulating air pressure and muscle tension in its vocal organ, or syrinx, a canary can generate an amazingly varied repertoire of trills, warbles, and other melodic syllables. This insight comes from a novel mathematical model of sound production in […]
- Health & Medicine
Things Just Mesh
Researching are studying ways to make stents, which prop open arteries, even better at keeping these channels open.
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Sight sounds off in brains of the deaf
Deprive the brain of access to sounds, and it reorganizes so that tissue typically consigned to handling acoustic information instead joins the visual system.
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Babies show an eye for faces
By 9 weeks of age, babies can learn to recognize and favor a new face in a matter of minutes.
- Health & Medicine
Genomes of dangerous bacteria exposed
Researchers unveiled the genomes of bacteria that cause severe food poisoning, typhoid fever, and the plague that devastated the Middle Ages.
