Posts Tagged: ‘fertility’
This video make a really interesting point about human population trends: It took 250,000 years for the human population to hit 1 billion. But it only took a little more than a decade to go from 6 billion to 7 billion. As the video points out, population is expected to level out somewhere around 9 [...]
Are Cell Phone Bills the New Fertility Calendars?
by Cristen Conger | November 30, 2010
We’ve heard about the forthcoming STD testing app for smartphones. Just yesterday, HowStuffWorks premiered a super fantastic app that is guaranteed to change your life. And as if life couldn’t get any more amazing thanks to cell phones, psychologists have discovered yet another functionality for these gadgets. Cell phones might be able to track a woman’s fertility.
Stuff Mom Never Told You about Fertility
by Molly Edmonds | September 3, 2010
My alternate title for this week’s post was “Stuff Mom Never Told You about the Work of Geoffrey Miller,” for as we mentioned, Miller’s work played a part in both of our podcasts this week. This week we discussed fertility from two different perspectives.
First up, we talked about ovulation in women. How many times have you seen a study that claimed women act differently (causing, in turn, men to act differently) when they’re at their most fertile? One such study that sticks in my mind was authored in part by Man of the Week Geoffrey Miller — it dealt with the finding that ovulating strippers make a lot more in tips than they do at any other time of the month, whereas women on the pill made a flat rate all month. It turns out ovulating women also wear different clothing, walk differently and sound differently at peak fertility.
Other mammals signal that they’re fertile in obvious ways, but human females seem to advertise in more subtle ways. In this episode, Molly and Cristen present seven (supposed) signs of subliminal ovulation.
Average Childbearing Age Continues to Rise
by Cristen Conger | May 26, 2010
Presumably as more women elect to postpone building families in favor of building careers, the age of childbearing women continues to rise, the Guardian reports. While the average maternal age has only climbed about a year from 28.4 years old to 29.4 years old over the past decade, the number of women having kids in their 40s has shown dramatic growth in England and Wales.
Making Babies in Space May Be Harder Than It Sounds – “According to Japanese biologists, defects in their microgravity embryos suggest that “fertilization can occur normally” in space, but standard Earth gravity may be needed for embryo development…” ‘Air shower’ set to cut water use by 30 per cent – “Small-scale experiments using the aeration [...]
MSNBC reported yesterday that a fertility clinic in Los Angeles (shocker) is now allowing prospective parents to pick and choose certain physical characteristics of their baby-to-be. Yes, this means that if you have the cash, you can order a baby with blonde hair and blue eyes if you so desire.
The clinic claims it’s already gotten half a dozen requests for these “designer babies” and expects to roll out the first line next year. The method used to screen for these characteristics is called preimplantation genetic diagnosis (PGD). It’s been used since 1990 to help couples avoid passing on serious genetic diseases to their babies. It’s also been used to help create “savior siblings” — babies that are a good genetic match for older brothers or sisters that might need some blood or bone marrow, for instance.
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