Researchers have found, for the first time, that a blood-clotting protein can, unexpectedly, degrade nerves–and how nerve-supporting glial cells, including…
Thanking and apologizing: Talk that isn’t cheap
Researchers have introduced a framework, ‘Responsibility Exchange Theory,’ for understanding why thanking and apologizing, as well as bragging and blaming,…
The sweet spot: Scientists discover taste center of human brain
Using functional magnetic resonance imaging (fMRI) and a new method of statistical analysis, researchers have discovered the taste center in…
Vaccine study confirms sensitivity of cholera test
Recently, the sensitivity of fecal microbiological cultures for detecting cholera has come under question. Researchers investigated this claim using a…
Poor pitch singing could be a matter of the tune in your head
Sub-vocalization, the silent, preparatory muscle movements of the face and larynx that result when singers run a song through their…
Central American kidney disease epidemic linked to occupational heat exposure
For two decades, Nicaragua and El Salvador have seen increasing mortality from an unusual form of chronic kidney disease (CKD),…
How a mitochondrial enzyme can trigger cell death
Cytochrome c is a small enzyme that plays an important role in the production of energy by mitochondria. It is…
Most countries in sub-Saharan Africa not on track for under-5 mortality reduction goal
The relatively slow pace of neonatal and under-5 mortality reduction could prevent most countries in sub-Saharan Africa from achieving targets…
Narwhals spend at least half time diving for food, can fast for several days after meal
Narwhals — enigmatic arctic whales known for their sword-like tusk — spend over half their time diving to find food…
Diet-induced changes favor innovation in speech sounds
Diet-induced changes in the human bite resulted in new sounds such as ‘f’ in languages all over the world, a…