20 MAR 2018 by ideonexus
Human Pregnancy is Adversarial Between Mother and Fetus
Inside the uterus we have a thick layer of endometrial tissue, which contains only tiny blood vessels. The endometrium seals off our main blood supply from the newly implanted embryo. The growing placenta literally burrows through this layer, rips into arterial walls and re-wires them to channel blood straight to the hungry embryo. It delves deep into the surrounding tissues, razes them and pumps the arteries full of hormones so they expand into the space created. It paralyzes these arteries ...Folksonomies: human evolution pregnancy
Folksonomies: human evolution pregnancy
07 NOV 2014 by ideonexus
Expanding the Scope of School Subjects
We should not retreat to a curriculum advisory committee and ask, “Now where should we fit this topic into the already overloaded curriculum?” Although we cannot discard all the fragmented subjects in our present school system and start from scratch, we can and should ask all teachers to stretch their subjects to meet the needs and interests of the whole child. Working within the present subject-centered curriculum, we can ask math and science teachers as well as English and social studie...Folksonomies: education whole child
Folksonomies: education whole child
31 JUL 2011 by ideonexus
Don't Spank Your Children
Over the years, many studies have been devoted to assessing the usefulness of this method, often coming to confusing—even opposing—conclusions. One of the latest lightning rods is a five-year review of the research literature by a committee of child development specialists sponsored by the American Psychological Association. The committee came out against corporeal punishment, finding evidence that spanking caused more behavioral problems than other types of punishment, producing more agg...Enough studies confirm the detrimental effects of this practice that it shouldn't even controversial, but it is.