...scientists would love to accomplish the same goal with a cream that can be smeared on the scalp and deliver just the right chemical signals to stimulate new follicles to grow. In any case, he said, it's not just about hair. Hair follicles, after...
...exactly ideal for study." Holy and co-author Zhongsheng Guo were studying the brain response in male mice to chemical signals emitted by female mice. The mice sounds were not audible to humans without technical amplification. Initially...
...of genes switch from on to off or off to on." Bassler won her $500,000 MacArthur grant for research into the chemical signals bacteria use to tell each other when to turn on genes governing biofilm formation and other coordinated behaviors...
...tip of a branch may have a leaf or two that hangs on. Throughout the growing season, leaves and buds send out a chemical signal. As long as the signal is strong, leaves remain connected to the tree. In return, they receive essential elements...
...function of a main glial cell called an astrocyte. Neurons are nerve cells that send and receive messages by swapping chemical signals, such as signals that say you're suffering pain or move that leg to walk or retrieve that memory. To do that...
...condition." Sachs and colleagues discovered nearly 20 years ago that overstretching certain muscles activated certain chemical signals, called ion channels, which disrupt the heart's natural rhythm. "So the obvious thing to do was search for...
...tumors' use of epidermal growth factor, one of the chemical signals that plays a crucial role in their survival. On...receptors. These are spots on the cell that receive chemical signals prompting them to divide. Because of a genetic mutation...
...plants that were free of the caterpillars. Through a series of tests, she proved that the wasps were responding to chemical signals emitted by the plants. She then analyzed the chemical compounds using gas chromatography and found they were different...
...plants that were free of the caterpillars. Through a series of tests, she proved that the wasps were responding to chemical signals emitted by the plants. She then analyzed the chemical compounds using gas chromatography and found they were different...
...plant is attacked by other pests. The plants send chemical signals to call in the "good bugs" to prey on the attacking...Researchers have long known that plants send out chemical signals, but this study shows that the calls are not random...
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