Uncategorized
- Astronomy
Is this young star ready to form planets?
New observations suggest that a mere stripling of a star, which might be as young as 300,000 years old, has already formed planetesimals, the building blocks of planets.
- Tech
Technique senses damage before it hurts
A new technique for automatically detecting damage to aircraft, buildings, and other structures may lead to practical damage-monitoring systems by reducing false alarms that make today's laboratory prototypes unsuitable for real-world use.
- Animals
Birds with a criminal past hide food well
Scrub jays that have stolen food from other bird's caches hide their own with extra care.
- 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.
