Uncategorized
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Cool Discovery: Menthol triggers cold-sensing protein
A cell-surface protein that lets ions flow into cells responds to menthol and cool temperatures.
- Astronomy
X-Ray Universe: Quasar’s jet goes the distance
Collisions with photons left over from the birth of the universe appear to have generated the longest X ray-emitting jet ever found in a distant galaxy.
- Health & Medicine
Vitamin Void: Heart disease may lurk in B12 deficiency
Meatless eating typically improves cardiovascular health, but a dietary shortage of vitamin B12 may lead to an overabundance of the amino acid homocysteine in some vegetarians, which could pose a risk to their hearts.
- Ecosystems
Biodiversity Hot Spots: Top 10 sea locales make sobering list
Biologists have identified the world's most vulnerable coral reefs, each with organisms found nowhere else and threatened by human influence.
- Health & Medicine
Antibody Warfare: Vaccine halts microbes in dialysis patients
A vaccine protects many kidney-dialysis patients from blood infection caused by the Staphylococcus aureus bacterium.
- Materials Science
Better Stainless: Analysis could bring pits out of the steel
The key to developing pit-resistant stainless steel is to correct the dearth of chromium atoms around inclusions in the alloy.
- Health & Medicine
Low birth weight matters later, too
Premature babies weighing less than 1.5 kilograms at birth grow up to have lower achievement scores on standard tests and are less likely to go to college than are full-term babies weighing more than twice as much.
- Math
A Snowy Twist
Carving a massive block of packed snow into an elegant sculpture presents all sorts of challenges. It’s even tougher when the goal is an intricate mathematical shape with a gravity-defying heart. A Twist in Time. Photo by Stan Wagon Eltanin by Bathsheba Grossman. On display at the northeast corner of 33rd and Walnut St., University […]
- Chemistry
A new molecule and a new signature
In two independent discoveries, chemists have prepared a new form of nitrogen and captured the infrared spectrum of an unusual molecule made up of hydrogen and oxygen.
- Materials Science
Scientists make nanothermometer
A carbon nanotube filled with gallium can be used to measure temperatures in microscopic environments.
- Astronomy
UV telescopes: One dead, one revived
One ultraviolet observatory burned up in Earth's atmosphere late last month while another has gotten a new lease on life.
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19051
My olfactory sense was alerted while pregnant but stayed on guard. After 7 years, it’s sharper than ever. I can smell the minutest scents, which means my taste buds are equally sensitive. In some ways, it’s a blessing, but I end up smelling more than I want to: men too interested in me, a married […]
