News tagged with developmental stage
Why the thumb of the right hand is on the left hand side
May 22, 2009 |
4.8 / 5 (13) |
0
It is the concentration of a few signaling molecules that determines the fate of individual cells during the early development of organisms. In the renowned journal Current Biology, a team of molecular biologists led by Pia ...
Search results for developmental stage
Nuclear hormone receptors, microRNAs form developmental switch
Apr 02, 2009 |
5 / 5 (1) |
0
A particular nuclear hormone receptor called DAF-12 and molecules called microRNAs in the let-7 family form a molecular switch that encourages cells in the larvae of a model worm to shift to a more developed state, said a ...
Forever young: Differentiation blocked in tumor stem cells
Jan 07, 2008 |
4.8 / 5 (6) |
0
A new comparison of normal stem cells and cancer stem cells reveals that the cancer stem cells are abnormally trapped at an early stage of development. The research, published by Cell Press in the January issue of Cancer Ce ...
Seagulls: Are males the weaker sex?
Biology /
May 07, 2008 |
2 / 5 (2) |
0
Male seagulls may be more vulnerable to their environment during embryonic development than females, according to Maria Bogdanova and Ruedi Nager from the University of Glasgow in the UK. Until now, the sex differences in ...
Study finds significant number of kids experience family homelessness
Jul 28, 2009 |
not rated yet |
0
A new multisite study by UCLA and RAND Corp. researchers and colleagues has found that 7 percent of fifth-graders and their families have experienced homelessness at some point in their lives and that the occurrence is even ...
Melanosome dynamics and sensitivity of melanoma cells to chemotherapy
Aug 25, 2009 |
not rated yet |
0
Manipulating the functions of melanosomes--the organelles in pigment-producing cells--may enhance the activity of anticancer drugs used against melanoma, according to a new study published online August 24 in the Journal of ...
Developmental language disorders at preschool age: no proof of benefit from screening
Aug 17, 2009 |
not rated yet |
0
Language is a central element of social life. It is not only a prerequisite for personal relationships, but also for employment prospects. If a child's language development is impaired, this can have far-reaching negative ...
Worker or queen? Harvester ant moms set daughters' fates
Biology /
Feb 14, 2008 |
4.5 / 5 (2) |
0
When it comes to deciding what harvester ant daughters will be when they grow up, mother queens hold considerable sway, according to a new study published online on February 14th in Current Biology, a publication of Cell ...
Dracula minnow has teeth, almost
Mar 11, 2009 |
5 / 5 (1) |
0
A new species of tiny fish with jaw structures that look like huge teeth has been identified, Natural History Museum scientists report in the Proceedings of the Royal Society journal today.
NASA Conducts First Test On New Motor For The Ares I Rocket
Space & Earth / Space Exploration
Sep 12, 2008 |
4.1 / 5 (9) |
4
(PhysOrg.com) -- Engineers at NASA's Marshall Space Flight Center in Huntsville, Ala., have completed first-round testing of a critical motor for NASA's new Ares I rocket. The Ares I is a two-stage rocket ...
Who laid the first egg?
Other Sciences / Archaeology & Fossils
Jan 23, 2007 |
4.1 / 5 (7) |
0
A decade ago, Shuhai Xiao, associate professor of geosciences at Virginia Tech, and his colleagues discovered thousands of 600-million-year-old embryo microfossils in the Doushantuo Formation, a fossil site ...
List of search results for developmental stage
