It is well known that many mammals are able to adjust the ratio of male and female young depending on the surrounding conditions at the time of conception. A recent study in the group of Christine Aurich at the University ...
Plants & Animals
Dec 18, 2012
2
0
The widespread availability of ultrasound scans in India is giving rise to abortions of female foetuses on an unprecedented scale, according to new research by Professor Sonia Bhalotra from the University’s Center for ...
Social Sciences
Feb 10, 2011
44
0
The nine-month pregnancy in humans is influenced by the structure of the placenta, according to new research into the evolution of reproduction in mammals which ends a 100-year mystery.
Evolution
Nov 17, 2010
3
0
The hormones, called androgens, are important in the development of masculine characteristics such as aggression and strength. It is also thought that prenatal androgens affect finger length during development in the womb. ...
Plants & Animals
Nov 4, 2009
2
0
Couples hoping for a baby girl might be best advised to go and live in Africa, if a study published on Wednesday is correct.
Other
Apr 1, 2009
1
0
University of Adelaide researchers are developing a test to help eliminate hidden carriers of a significant disease in Australian cattle herds, commonly known as Bovine Pestivirus.
Plants & Animals
Jun 12, 2013
0
0
Researchers in Japan have moved one step closer to clinical trials using adult stem cells in a therapy they hope will prove a cure for common sight problems, an official said Thursday.
Cell & Microbiology
Feb 14, 2013
0
0
More than 140 countries agreed Saturday on a ground-breaking treaty to rein in the use and emission of health-hazardous mercury, the UN said, but environmental activists lamented it did not go far enough.
Environment
Jan 19, 2013
12
0
An African elephant in Vienna Zoo has been impregnated using frozen sperm from a male living in the wild, in what the Zoo said Monday was a world first.
Plants & Animals
Aug 13, 2012
1
0
As the global population hits seven billion, experts are warning that skewed gender ratios could fuel the emergence of volatile "bachelor nations" driven by an aggressive competition for brides.
Social Sciences
Oct 26, 2011
201
0
A fetus (pronounced /ˈfiːtəs/; also spelled foetus, fœtus, faetus, or fætus, see below) is a developing mammal or other viviparous vertebrate after the embryonic stage and before birth.
In humans, the fetal stage of prenatal development starts at the beginning of the 11th week in gestational age, which is the 9th week after fertilization.
This text uses material from Wikipedia, licensed under CC BY-SA
