News tagged with chemical signals

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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

Diatom sex pheromone isolated and characterized

(Phys.org)—Diatoms (unicellular photosynthetic organisms) reproduce through asexual cell division alternating with short periods of sexual reproduction. A German and Belgian team has now determined that ...

Dec 14, 2012
5 / 5 (14) 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

Computer program takes on protein puzzle

(PhysOrg.com) -- All proteins self-assemble in a fraction of the blink of an eye, but it can take a long time to mimic the process. And there has been no guarantee of success, even with the most powerful computers - until ...

Jul 06, 2010
4.2 / 5 (9) 1 | with audio podcast

Can cannibalism fight infections?

Whenever humans create a new antibiotic, deadly bacteria can counter it by turning into new, indestructible super-bugs. That's why bacterial infection is the number one killer in hospitals today. But new research ...

Feb 02, 2009
4.6 / 5 (8) 1

Looking for signs of early life

(PhysOrg.com) -- Deciphering the very early history of life on Earth is difficult. In the darkest recesses of the first billion years there are no 'body' fossils - no physical remains. Instead, scientists ...

Jul 08, 2009
4 / 5 (9) 0

Ant’s social network similar to Facebook

(PhysOrg.com) -- A recent study in the Journal of the Royal Society Interface presents findings that show that not all ants are as social as others. Similar to your friends on Facebook, some ants communicate with o ...

Apr 14, 2011 report
4.5 / 5 (8) 0 | with audio podcast

Team 'spikes' stem cells to generate myelin

Stem cell technology has long offered the hope of regenerating tissue to repair broken or damaged neural tissue. Findings from a team of UC Davis investigators have brought this dream a step closer by developing ...

Aug 28, 2013
4.5 / 5 (8) 0 | 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