behaviour 2 2

Tag: "behaviour" at biology news

Learning during sleep?

...the cerebral cortex. This allowed them to link the behaviour of the individual nerve cells with that of the cer...ain research. Thomas Hahn emphasised: "Putting the behaviour of a single neuron in the context of wider-scale patterns of activity promises to yield completely n...

How ants find their way

...omous robots. Professor Collett explained: "Insect behaviour is much more 'machine-like' than that of mammals, ...veal new levels of detail about insect visuo-motor behaviour and allow the construction of models of memory retrieval. Professor Julia Goodfellow, Chief Execut...

Too mellow for our predatory world

...nerally tame animals are capable of adapting their behaviour and endocrine stress response to novel predation t...-eagled, on black lava rocks, soaking up the sun - behaviour that would be unthinkable in an environment with predators, where reptiles are persistently exposed ...

Singing for survival

...ax Planck Institute, Germany) observed the singing behaviour of white-handed gibbons in Khao Yai National Park,...alls." The researchers also observed the singing behaviour of gibbons spending time away from their home group. They noted that during predator songs within t...

When nerve cells can't make contact

...r no language development at all, disturbed social behaviour and repetitive behaviour patterns. In many patients, the disease is accompanied by mental disability. Autistic individuals ex...

Breastfeeding boosts mental health

... on a scientifically recognised checklist of child behaviour that assessed the study children's behaviour at 2, 6, 8 and 10 years of age. Dr Oddy said that children that were breastfed had particularly l...

Scientists' cell discovery unearths evolutionary clues

...he amoebas' cellular and multi-cellular shapes and behaviour to the molecular tree, it appeared that increased cell specialization and organism size is a major trend in the evolution of social amoeba. Professor Schaap and her team are now working to establish how the regulation and function of genes with im...

Hair samples show babies can be exposed to 'crystal meth' while in the womb

...ages nerves in the brain and can lead to psychotic behaviour and aggression. The drug is very easy to manufacture in home laboratories, and global use has soared, particularly among young women, say the authors. An estimated half a million Americans alone are thought to use it every week, including 5% of p...

Eminent inventor of DNA fingerprinting gains new recognition

...yote systems, yeast and other lower eukaryotes, to behaviour and development in fruit-flies and other animals, the human genome, aspects of medical genetics and the genetics of evolution. ...

Robots manipulating animal behaviour

...a with cockroaches, the robots quickly adapt their behaviour by mimicking the animals' movements. Coated with p...ect had its origins in collective intelligence and behaviour in animal society, as well as the tradition of using artificial agents to test theories about animal...

Female birds boost up their eggs when hearing sexy song

...irds were kept in large aviaries where their daily behaviour was monitored in a colony before they were tested in the song experiments. The females showed a remarkable consistency in their behavioural and reproductive performance and the song stimuli alone were sufficient to elicit a profound physiological cha...

Wasps queue for top job

...re reproduction that primarily determines a wasp's behaviour - the more likely they are to spawn their own young in the future, the lazier they become. The tests were carried out on the non-aggressive tropical hairy-faced hover wasp - Liostenogaster flavolineata. Both the wasp's rank and the size of the grou...

The brain, traffic and nano-circuits -- e-Science takes on major challenges

...s. These components will be so small that their behaviour will be highly variable, governed by individual atoms rather than the average behaviour of large collections of atoms. The NanoCMOS project will build a grid infrastructure and e-Science ...

Study shows frogs can play key role in stem cell research

... an ancient animal such as the frog can rescue the behaviour of 'modern' mouse embryonic stem cells. It told us so much about where this behaviour comes from, and how long ago," said Dr Morrison. Dr Josh Brickman, group leader at the Institute fo...

Wild meerkats school their young

...ns between culture in our own species and cultural behaviour in other animals." Like any good teacher, the helpers would also monitor the pup after they had provided it with food. If the pup was reluctant to handle the prey, the older meerkat would nudge the item towards them to encourage it. Additionally,...

Ecologists home in on how sperm whales find their prey

...cologists have at last got a view of sperm whales' behaviour during their long, deep dives, thanks to the use of recently developed electronic "dtags". According to new research published in the British Ecological Society's Journal of Animal Ecology, sperm whales ?like bats ?use echolocation consistently to tr...

Survival of the selfless - scientists find cheats don't always prosper

...capable of rational thought, they can change their behaviour rapidly in response to simple environmental cues. The possibility that one type could become both a cheater and a cooperator depending on what's needed at the time is intriguing. We hope examining social conflict at the level of individual cells will...

Tramiprosate (Alzhemed? preclinical results published in Neurobiology of Aging

...ions, their activities of daily living, alters the behaviour and gradually destroys the brain. AD is the most common cause of dementia in our aging population. Almost 5 million individuals in the United States alone currently suffer from the condition. The U.S. Alzheimer's Association estimates that by 2025, ...

New McGill research shows mice capable of empathy

...nteraction plays an important role in chronic pain behaviour in humans," Dr. Mogil said, "then the mechanism underlying such effects can now be elucidated; why are we so affected by those around us?" Dr. Mogil, the E.P. Taylor Professor of Pain Studies at McGill, is a repatriated Canadian who was recruited i...

Northern birds are fatter!

...nce in fattening could be caused by differences in behaviour (birds simply feed more intensively in the north) or changes in physiology that the birds experience as they move further north", says Williams. "We know there are major differences in gut structure and digestive enzymes between non-migrating and mig...

1 2 3 4