Many different tissues and organs form from pluripotent stem cells during embryonic development. To date it had been known that these processes are controlled by transcription factors for specific tissues. Scientists from ...
Cell & Microbiology
Jan 29, 2013
0
0
Because modern computers have to depict the real world with digital representations of numbers instead of physical analogues, to simulate the continuous passage of time they have to digitize time into small slices. This kind ...
General Physics
Jan 3, 2013
1
0
The immune system generates antibodies to mark threats that need to be eliminated, and these protein complexes bind their targets with remarkable strength and selectivity. Scientists have learned how to generate cell lines ...
Cell & Microbiology
Jan 2, 2013
0
0
(Phys.org)—Embryonic stem cells hold great promise as a potential cell-based therapy for a myriad of serious diseases, but there is still much to learn before they become a regular part of the doctor's toolkit. Scientists ...
Biochemistry
Nov 1, 2012
0
0
Living subjects are very complex systems and, at the same time, stunningly robust and accommodative. The secret of success are their proteins which build up the cells of the organisms, act as cleaners, messengers, transporter, ...
Biochemistry
Aug 14, 2012
9
1
(Phys.org) -- To crack hydrogen molecules and free the electrons, scientists at Pacific Northwest National Laboratory built nature-inspired molecules that get the job done. These designer molecules, or catalysts, rely on ...
Materials Science
Jul 18, 2012
0
0
Stick a shovel in the ground and scoop. That's about how deep scientists need to go in order to find evidence for ancient life on Mars, if there is any to be found, a new study suggests. That's within reach of Curiosity, ...
Space Exploration
Jul 5, 2012
4
0
A newly published article in Physical Review Letters eliminates one of the top unsolved theoretical problems in chemical physics as ranked by the National Research Council in 1995. Scientists now can more accurately predict ...
General Physics
Jul 3, 2012
3
0
(Phys.org) -- In experiments resembling an atomic-scale shooting gallery, researchers are pioneering a new method for chemical analysis by zapping the innermost electrons out of atoms with powerful X-ray laser pulses from ...
General Physics
Jun 13, 2012
0
0
(PhysOrg.com) -- A new study from scientists in the US has reported that organic compounds could be formed in proto-planetary disks, and could have seeded the development of life in our own and other planetary systems.
