News tagged with chemical signals

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Lighting up the plant hormone 'command system'

Light is not only the source of a plant's energy, but also an environmental signal that instructs the growth behavior of plants. As a result, a plant's sensitivity to light is of great interest to scientists and their research ...

Jul 22, 2012
5 / 5 (1) 0 | with audio podcast

'Worm speak' uses chemicals to communicate

(PhysOrg.com) -- A species of small, transparent roundworms have a highly evolved language in which they combine chemical fragments to create precise molecular messages that control social behavior, reports ...

Jan 26, 2012
4.8 / 5 (13) 4 | with audio podcast

Plants 'talk' to plants to help them grow

Having a neighborly chat improves seed germination, finds research in BioMed Central's open access journal BMC Ecology. Even when other known means of communication, such as contact, chemical and light-mediated signal ...

May 06, 2013
3.8 / 5 (28) 8 | with audio podcast

Breakthrough in sensing at the nanoscale

Researchers have made a breakthrough discovery in identifying the world's most sensitive nanoparticle and measuring it from a distance using light. These super-bright, photostable and background-free nanocrystals ...

Sep 01, 2013
4.9 / 5 (7) 0 | with audio podcast

Worm research may help humans live longer

(Phys.org) —Look what might help us live longer—worms! Researchers at the Boyce Thompson Institute for Plant Research (BTI) and Cornell have shown that roundworms can live up to 20 percent longer when ...

Mar 29, 2013
5 / 5 (5) 2 | with audio podcast

Nanoparticles detect biochemistry of inflammation

Inflammation is the hallmark of many human diseases, from infection to neurodegeneration. The chemical balance within a tissue is disturbed, resulting in the accumulation of reactive oxygen species (ROS) such as hydrogen ...

Sep 18, 2012
5 / 5 (1) 0 | with audio podcast