Tag: "behaviour" at biology news
DFG To Set Up 14 New Collaborative Research Centres
...d differentiation as well as the individual cell's behaviour
within the cellaggregate of organs. Defective links in the signal chain can result in a cell dysfunction andthus cause diseases; this is why their study is of particular interest to basic medical science.Against the backdrop of clinically relevant di...
Quicker Implementation Of Research Results
... ofelectroconductive fluids". Scientists study the behaviour
of electroconductivefluids in magnetic fields as well as surface tension-driven flows. With theco-operation of industrial partners the knowledge generated is implemented inthe fields of materials processing as well as of processing and manufacturingp...
More Research Needed To Reach Green Goals
... chemicalsshould be allowed?How can we steer human behaviour
and lifestyles in a more environmentallyfriendly direction? New ways The Swedish EPA survey of research requirements shows that SEK3m - 15 m areneeded for eachobjective. The variation depends on research needs and the availability ofalternative fun...
Should Great Apes Be Given Legal Rights?
...nd other great apes will attempt to manipulate the behaviour
ofother animals by deception, say, or teaching. "But," de Waal points out, "theevidence is not overwhelmingly strong, and if in ten years, say, we prove thatthat theory of mind doesn't exist, does it mean we can do anything we want withthese animals?...
PCB exposure is bad news for the female sex drive
...onths later,Chung and Clemens looked at the sexual behaviour
of the female offspring. "Female rats norm...ist who is researching the effects ofPCBs on rats' behaviour
at the State University of New York in Oswego. He pointsout that PCBs are normally found in humans a...
NRC discovery allows scientists to watch the ultrafast processes of the microworld
...a later time. Thisis repeated until the whole time behaviour
is known. If a femtosecond "snapshot"were recorded of the atomic motion only, we would be missing the criticalelement of how the electrons are rearranging at the same time. According to Dr. Albert Stolow, the project leader, there is a world wide eff...
DFG to set up 21 new collaborative research centres in 2000
...question is: how do the interaction and collective behaviour
of microscopic degrees of freedom of the electrons and lattice lead to ordered structures and metal-insulator transitions. The ideal class of material for studying such effects are transition metal oxides. Speaker: Prof. Dr. Dieter Vollhardt, Institu...
Modern-day butterflies 'invented' by bats
...y the researchers. It was thought that the daytime behaviour
of butterflies was enough to protect them from bats. However, day butterflies have evolved highly developed visual systems for communication and to detect other types of predators that hunt during the day. This study was funded by the Natural Science...
Cross-dressing in the snake world
...icals from their skin. The reason for this strange behaviour
has been a mystery since its discovery 15 years ag...nterparts and crawled more slowly. Their courtship behaviour
was suppressed and they were less likely to couple with females. "Males that produced female skin li...
Stone tools reveal ancient seafood diet
...a new, widespread adaptive strategy in early human behaviour
which spread from one end of Africa to the other between 115,000 and 125,000 years ago," Gagnon says. The geographic origin of modern humans is the subject of an intense, on-going debate among anthropologists. These Eritrean tools may help in solving...
Ice-breakers drive whales away
...s from the ice-breaker. If the disturbance affects behaviour
such as mating, nursing or feeding, the animals might be "permanently scared away from critical habitat", the pair report.Hearing damage can occur after 20 minutes' exposure to the sound up to 4 kilometres away, the simulation suggests. But Mike Glew...
Extinction claims a furry friend
...le knows that." "One has only got to look at their behaviour
to see when things are going to happen," said Dr Hornsby, "And this is where I was called in tohelp with the work at the zoo. It worked out quite well, because when I said this mating was taking place, it did take place," he said. Dr Hornsby has also...
DFG set up 19 new Graduiertenkollegs
... Dortmund - Stimuli, information, decision-making behaviour
and allocation, University of Mannheim - Spatial-temporal signalling processes in neurones and cellular biophysics, University of Gttingen - Development and plasticity of the nervous system: Molecular, synaptic and cellular mechanisms, Univer...
New research confirms that natural selection is acting on the current human population
...t they will eventually produce. The differences in behaviour
are probably due to changes in society that occurr...ly to have many implications in terms of how human behaviour
will change over the next few hundred years. The influence of social factors on inherited genetic ...
Plants, insects play cat and mouse game
... insects have the inherent ability to adjust their behaviour
- going so far as to alter their physiology and ch... responds by adjusting its growth, look, smell and behaviour
by releasing specific chemicals and toxins to defend itself against the particular insect. Insects, ...
The curse of the carp
...ooded with water, and carp introduced to it, their behaviour
monitored as each test is run. "We found that light can be a barrier to carp movement, and it has the potential to be a barrier to them moving into wetlands," said Ms Ide. So does sound. Through an underwater speaker the researchers subject the fish ...
Whales get the bends
...that noise pollution is disrupting the hearing and behaviour
of these inhabitants of the deep, compelling them ...ving whales and dolphins. He found that the diving behaviour
of beaked whales, such as bottlenose and sperm whales, makes them particularly susceptible, as nitro...
A feast of lobsters
...sn't' was discovered by US scientists studying the behaviour
of lobsters in traps, using a video camera. It turned out the lobsters were a lot smarter than the people who designed the traps - only 6 per cent of those that entered were actually caught, while 94 per cent got away. And those that actually entere...
'Buried dams' help clean recycled water
...h to recycle as irrigation. Weve been studying the behaviour
and fate of various microbes in groundwater taken from different parts of the country, he explains. Weve looked at enteric (gut) viruses, the protozoan Cryptosporidium, and disease-causing bacteria like Salmonella and Aeromonas. If we are to store la...
Tent caterpillars and their parasites
...ware that forest cover has an impact on the search behaviour
of these flies as they attempt to find their prey, and the rate of spread of viruses. The question we needed to answer is-what is the optimum size of this forest cover which allows these agents to operate normally, and to successfully and rapidly su...
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