News
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Disorder Decline: U.S. mental ills take controversial dip
Far fewer people suffer from mental disorders requiring treatment than was initially indicated by two national surveys.
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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.
