Latest chemical signals Stories
Dutch researchers have found that humans may be able to communicate emotional signals such as fear and disgust using the sense of smell.
Study increases understanding of 'coevolved mutualism' between ants and trees.
Plant biologists have discovered the last major element of the series of chemical signals that one class of plant hormones, called brassinosteroids, send from a protein on the surface of a plant cell to the cell's nucleus.
By reconstructing an ancient protein and tracing how it subtly changed over vast periods of time to produce scores of modern-day descendants, scientists have shown how evolution tinkers with early forms and leaves the impression that complexity evolved many times.
GUILFORD, Conn., Sept. 1 /PRNewswire/ -- Ion Torrent, the semiconductor sequencing company, today announced that it has been selected as one of 31 World Economic Forum Technology Pioneers for 2011.
A recent study has shown that earwig mothers are able to detect odors from the unhealthiest â€œnymphsâ€ of their brood and accordingly adjust their behavior to ensure that the fittest young receive more attention than their siblings.
Delving ever deeper into the intricate architecture of the brain, researchers at The Salk Institute have now described how two different types of nerve cells, called neurons, work together in tiny sub-networks to pass on just the right amount and the right kind of sensory information.
The same family of chemical signals that attracts developing sensory nerves up the spinal cord toward the brain serves to repel motor nerves, sending them in the opposite direction, down the cord and away from the brain.
- A poem in which the author retracts something said in an earlier poem.