Scientists create a device that can mass-produce human embryoids

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These human embryo-like structures (top) were synthesized from human stem cells; they’ve been stained to illustrate different cell types. Images (bottom) of the “embryoids” in the new device that was invented to make them. Yi Zheng/University of Michigan, Ann Arbor

Scientists have invented a device that can quickly produce large numbers of living entities that resemble very primitive human embryos.

Researchers welcomed the development, described Wednesday in the journal Nature, as an important advance for studying the earliest days of human embryonic development. But it also raises questions about where to draw the line in manufacturing “synthetic” human life.

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DNA reprogramming in human germ cells observed for first time

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Led by the University of Cambridge a team of researchers have, for the first time, described in humans how the epigenome – the suite of molecules attached to our DNA that switch our genes on and off – is comprehensively erased in early primordial germ cells prior to the generation of egg and sperm.   Continue reading… “DNA reprogramming in human germ cells observed for first time”

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Children Influenced By Negative Family Members and By Positive Non-Family Members

 Children Infuenced By Negative Family Members and By Positive Non-Family Members

 

While children look up to and aspire to be like a positive family member or peer, they are more likely to imitate traits of other role models — including negative role models, which can lead to behavioral problems, according to a Kansas State University researcher.

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Parental Expectations Affect Child’s Asthma

Parental Expectations Affect Child’s Asthma 

Asthmatic children whose parents have high expectations for their ability to function normally are less likely to have symptoms than other children dealing with the condition, according to a new study. Children also are more likely to use asthma controller medications appropriately if they have a routine for taking medicine and if their parents clearly understand how well symptoms can be controlled.

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