News tagged with adaptations

Meditation promotes adaptability

Certain meditation techniques can promote behavior to vary adaptively from moment to moment depending on current goals, rather than remaining rigid and inflexible. This is the outcome of a study by Lorenza ...

May 18, 2015
popularity 112 comments 0

Drug target for asthma discovered

The over-active immune cells responsible for asthma depend on the gene BCL11B to develop into mature cells, according to a study published in the Journal of Experimental Medicine. The identification of thi ...

May 13, 2015
popularity 48 comments 0

The key to stopping sarcomas' spread

When sarcomas become large enough and outgrow their blood supply, they become vulnerable to hypoxia—a lack of oxygen. That adaptation not only enables them to survive the stress of low oxygen—it also ...

May 12, 2015
popularity 5 comments 0

A hybrid vehicle that delivers DNA

A new hybrid vehicle is under development. Its performance isn't measured by the distance it travels, but rather the delivery of its cargo: vaccines that contain genetically engineered DNA to fight HIV, cancer, ...

Nov 25, 2014
popularity 0 comments 0

Adaptation

An adaptation in biology is a trait with a current functional role in the life history of an organism that is maintained and evolved by means of natural selection. An adaptation refers to both the current state of being adapted and to the dynamic evolutionary process that leads to the adaptation. Adaptations contribute to the fitness and survival of individuals. Organisms face a succession of environmental challenges as they grow and develop and are equipped with an adaptive plasticity as the phenotype of traits develop in response to the imposed conditions. The developmental norm of reaction for any given trait is essential to the concept of adaptation as it affords a kind of biological insurance or resilience to varying environments.

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