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From a female perspective, pregnancy is always a huge investment. Even more so if her species has a hemochorial placenta. Once that placenta is in place, she not only loses full control of her own hormones, she also risks hemorrhage when it comes out. So it makes sense that females want to screen embryos very, very…
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…
There is no evil. Life is a blessing. If it is not, then know that you are at fault. And you have been given time to correct your error, to have the joy (the highest blessing) of correcting your fault. That is the only reason for time. If you do not correct your fault, it will be corrected against your will — by…
When we make the standards and objectives transparent for students, we empower them to be active in our learning choices as well. I have found that when students know what the previous year’s standard is and where we were headed in our learning, they are eager to co-construct our learning. Students care about being…
...regular endurance exercise leads to four major consequences: Increased ability of the heart to eject blood increased ability of the blood vessels to send blood to where blood is needed Increased number of capillaries (the vessels that deliver oxygen and ‘food’ to the muscles) increased size and the number of…
Go make that stuff The manifesto is this: Draw the art you want to see, start the business you want to run, play the music you want to hear, write the books you want to read, build the products you want to use - do the work you want to see done.
Given the invasive nature of pregnancy, it’s perhaps not surprising that the primate womb has evolved to be wary of committing to it. Mammals whose placentae don’t breach the walls of the womb can simply abort or reabsorb unwanted foetuses at any stage of pregnancy. For primates, any such manoeuvre runs the risk of…
In most mammals, the mother’s blood supply remains safely isolated from the foetus. It passes its nutrients to the foetus through a filter, which the mother controls. The mother is a despot: she provides only what she chooses, which makes her largely invulnerable to paternal manipulation during pregnancy. In primates…
The first thing you'll notice about Real-life is that it about 9 months to start a new character, mainly because two other players have to "register" for a new player to enter the game, fortunately now-a-days "registering" is happening more and more frequently, unfortunately this means that the "sever" getting…
子 - child 宫 - palace 子宫 - womb
What's more, most males could not possibly afford to buy a woman's reproductive potential if courtship were a simple economic exchange. What would be an appropriate market price for a nine-month pregnancy, the pain of childbirth, the exhaustion of breast-feeding, and twenty years of maternal care? At least half a…
Even something that has been traditionally seen as the purview of the young—the ability to learn new languages —continues to change the landscape of the brain late into life. When a group of adults took a nine-month intensive course in modern standard Chinese, their brains’ white matter reorganized progressively (as…
Having heard the poem, Monkey went up to him and said, "Master, you only know about the moon's beauty, and you're homesick too. You don't know what the moon's really about. It's like the carpenter's line and compasses−−it keeps the heavenly bodies in order. On the thirtieth of every month the metal element of its male…
Careful and reproducible observations and measurements in the bbiosciences have similarly forced us to repeatedly refine our traditional ideas about what life itself is and when it begins. Is a human being first a life when it emerges from the birth canal? Does it have any legal rights is as a person before then? Or…
[I]magine you want to know the sex of your unborn child. There are several approaches. You could, for example, do what the late film star ... Cary Grant did before he was an actor: In a carnival or fair or consulting room, you suspend a watch or a plumb bob above the abdomen of the expectant mother; if it swings…
It never occurred to me that there was going to be any stumbling block. Not that I had the answer, but [I had] the joy of going at it. When you have that joy, you do the right experiments. You let the material tell you where to go, and it tells you at every step what the next has to be because you're integrating with…
The most fundamental innovation is the evolution of another fluid-filled sac, the amnion. in which the embryo floats. Amniotic fluid has roughly the same composition as seawater, so that in a very real sense, the amnion is the continuation of the original fish or amphibian eggs together with its microenvironment, just…
Man has two conditions of existence in the body. Hardly two creatures can be less alike than an infant and a man. The whole fetal state is a preparation for birth ... The human brain, in its earlier stage, resembles that of a fish: as it is developed, it resembles more the cerebral mass of a reptile; in its increase…
Mary Shelley’s idea of the mind was, like Lawrence’s, based on the notion of the strictly physical evolution of the brain. This is how Lawrence was provocatively challenging his fellow members of the Royal College of Surgeons in his lectures of 1817: ‘But examine the “mind,” the grand prerogative of man! Where is the…
Lawrence eventually went on to broaden his attack. Science, he argued, had an autonomous right to express its views fearlessly and objectively, without interference from Church or state. It must avoid ‘clouds of fears and hopes, desires and aversions’. It must ‘discern objects clearly’ and shun ‘intellectual mist’. It…