News tagged with radioactive signals


Sorry no news are found ... Your search criteria may have been too narrow. You can quickly re-sort the news in different ways by clicking on the tabs at the top of this page.




Search results for radioactive signals


Scent signals stop incest in lemurs

Biology / Evolution

created Dec 02, 2009 | popularity not rated yet | comments 0

Chemical identifiers secreted from the genital glands of lemurs, allow them to avoid incest and also to engage in nepotism. Researchers writing in the open access journal BMC Evolutionary Biology have identified the smells ...


Brooding fishes take up nutrients from their own children

Brooding fishes take up nutrients from their own children

Biology / Plants & Animals

created 13 hours ago | popularity 5 / 5 (1) | comments 0

In the pipefish, the male cares for the offspring. Apart from the ones he sucks the life out of. The discovery of filial cannibalism in the pipefish is now creating a stir in the research world.


Appetite, consumption controlled by clockwork genes at cross-purposes in flies

Biology / Biotechnology

created Dec 06, 2009 | popularity not rated yet | comments 0

One of the pioneers in research on sleep:wake circadian genes, Amita Sehgal, Ph.D., has discovered that fruit flies' appetite and consumption are controlled by two rival sets of clocks, one in neurons and the other in the ...


Nervy research: Researchers take initial look at ion channels in a model system

Nervy research: Researchers take initial look at ion channels in a model system

Chemistry / Biochemistry

created Dec 02, 2009 | popularity 5 / 5 (1) | comments 0

Before one of your muscles can twitch, before the thought telling it to flex can race down your nerve, a tiny floodgate of sorts -- called an ion channel -- must open in the surface of each cell in these organs ...


Fruit fly neuron can reprogram itself after injury

Medicine & Health / Neuroscience

created Dec 06, 2009 | popularity 5 / 5 (4) | comments 0

Studies with fruit flies have shown that the specialized nerve cells called neurons can rebuild themselves after injury.


One Can Act Without Group Support; Even in the Bacterial World

One Can Act Without Group Support; Even in the Bacterial World

Chemistry / Biochemistry

created 7 hours ago | popularity not rated yet | comments 0

(PhysOrg.com) -- A single bacterium can act alone, performing the same kinds of actions that a group normally does. The behavior of that bacterium can be manipulated at the cellular level. That’s the intriguing ...


Parasite evades death by promoting host cell survival

Parasite evades death by promoting host cell survival

Chemistry / Biochemistry

created 12 hours ago | popularity not rated yet | comments 0

Researchers have discovered how the parasite Trypanosoma cruzi, which causes Chagas' disease, prolongs its survival in infected cells. A protein on the parasite activates the enzyme Akt, which blocks cell ...


Television control for the remote

Technology / Telecom

created 21 hours ago | popularity 5 / 5 (1) | comments 0

(PhysOrg.com) -- A cheap way to deliver interactive communications to remote communities has been successfully tested in Brazil and Italy.


Experts: Man controlled robotic hand with thoughts (AP)

Scientists: Man controlled robotic hand with thoughts

Medicine & Health / Research

created Dec 02, 2009 | popularity 5 / 5 (15) | comments 2

(AP) -- A group of European scientists said Wednesday they have successfully connected a robotic hand to an amputee, allowing him to feel sensations in the artificial limb and control it with his thoughts.


Life after silicon

Life after silicon: Using exotic materials to help microchips keep improving

Technology / Semiconductors

created 8 hours ago | popularity 5 / 5 (3) | comments 1

(PhysOrg.com) -- The huge increases in the power and capacity of computers, cell phones and communications networks in the last 40 years have been the result of ever-shrinking silicon transistors. But silicon ...



List of search results for radioactive signals