Biologists at Tufts University have succeeded in inducing one species of flatworm to grow heads and brains characteristic of another species of flatworm without altering genomic sequence. The work reveals physiological circuits ...
Biotechnology
Nov 24, 2015
5
3660
According to a well-known theory in evolutionary biology healthy females should give birth to more males than females. A study funded by the Swiss National Science Foundation shows why this is not always true.
Plants & Animals
Sep 22, 2015
0
19
Twin cubs born to a rare giant panda called Mei Xiang were doing well Sunday, vocal and "very, very active" after the surprise back-to-back births at the Smithsonian National Zoo, her handlers said.
Plants & Animals
Aug 23, 2015
0
337
Catalysts created by Carnegie Mellon University chemist Terrence J. Collins effectively and safely remove a potent and dangerous endocrine disruptor from wastewater.
Materials Science
Jun 12, 2015
0
818
Some female members of a critically endangered species of sawfish are reproducing in the wild without sex. The discovery, reported in the Cell Press journal Current Biology on June 1, marks the first time living offspring ...
Ecology
Jun 1, 2015
1
142
A medication commonly taken for Type II diabetes, which is being found in freshwater systems worldwide, has been shown to cause intersex in fish -male fish that produce eggs.
Ecology
Apr 24, 2015
3
1212
Every year, slightly more boy babies than girl babies are born worldwide. But back when sperm meets egg, the two sexes are conceived in equal numbers, a new study suggests.
Other
Mar 30, 2015
4
415
USC researchers have discovered which stem cells are responsible for the growth of craniofacial bones in mice—a finding that could have a profound impact on the understanding and treatment of a birth defect that can lead ...
Cell & Microbiology
Mar 26, 2015
0
368
As birth rates decline in countries that include parts of Europe and East Asia, threatening the economic slowdown associated with aging populations, a global study from the University of California, Berkeley, and the East-West ...
Social Sciences
Oct 9, 2014
7
0
While it is largely understood that birth rates plummet when unemployment rates soar, the long-term effects have never been clear. Now, new research from Princeton University's Woodrow Wilson School of Public and International ...
Social Sciences
Sep 29, 2014
0
0
