Posted in scienligion on janvier 30, 2008 | Aucun commentaire »
J’aurais été tenté de parler de stauneries (n’importe quoi avec la Jean Staune Touch!) mais Jacques semble préférer staunisier, qui ‘est pas mal non plus.
C’est un forum, inscrivez-vous et allez-y gaiement. Jean appréciera.
Posted in Interesting stuff on janvier 26, 2008 | Aucun commentaire »
Thousands Of Crop Varieties Depart For Arctic Seed Vault: “ScienceDaily (Jan. 26, 200 - At the end of January, more than 200,000 crop varieties from Asia, Africa, Latin America and the Middle East - drawn from vast seed collections maintained by the Consultative Group on International Agricultural Research (CGIAR) - will be shipped to [...]
Posted in behavior, evolution, robots on janvier 19, 2008 | Aucun commentaire »
Evolutionary Conditions for the Emergence of Communication in Robots
Dario Floreano, Sara Mitri, Stéphane Magnenat and Laurent Keller
Current Biology Volume 17, Issue 6, 20 March 2007, Pages 514-519 doi:10.1016/j.cub.2007.01.058
Cheaters and heroes by evolution
Posted in development, differentiation, taggé Lhx2, neuroepithelium on janvier 18, 2008 | Aucun commentaire »
Lhx2 Selector Activity Specifies Cortical Identity and Suppresses Hippocampal Organizer Fate
Vishakha S. Mangale, Karla E. Hirokawa, Prasad R. V. Satyaki, Nandini Gokulchandran, Satyadeep Chikbire, Lakshmi Subramanian, Ashwin S. Shetty, Ben Martynoga, Jolly Paul, Mark V. Mai, Yuqing Li, Lisa A. Flanagan, Shubha Tole, Edwin S. Monuki
Science 18 January 2008 Vol. 319. no. 5861, pp. 304 [...]
Posted in development, evolution, taggé limb, Prx1, vincent fleury on janvier 16, 2008 | Aucun commentaire »
Molecular Evolution: Mice Given Bat-like Forelimbs Through Gene Switch A research team led by Dr. Richard Behringer at MD Anderson Cancer Center reports that they have successfully switched the mouse Prx1 gene regulatory element with the Prx1 gene regulatory region from a bat — and although these two species are separated by millions of years [...]
Posted in food on janvier 15, 2008 | Aucun commentaire »
New High Protein Rice Strain Developed: “Scientists in the United States and India are reporting development of a high-protein variety of rice, dietary staple for half the world’s population.”
This is an hybrid of Oryza sativa × Oryza nivara, with 18 and 28 % higher protein content respectively than those of the parents. Scheduled for [...]
Posted in robots on janvier 15, 2008 | Aucun commentaire »
Via, by Sandra Blakeslee
There is nothing exceptional about using brains to control motion. Reading the title of the NYT post I thought that some new device was built up to help monkeys control a robot by EEG. But then, there are plenty of electrodes in the brain of the poor monkey
Yes, but, what [...]
Posted in GMO, ecology on janvier 15, 2008 | Aucun commentaire »
Fighting Pollution The Poplar Way: Trees To Clean Up Indiana Site: “ScienceDaily (Jan. 15, 200 - Purdue University researchers are collaborating with Chrysler LLC in a project to use poplar trees to eliminate pollutants from a contaminated site in north-central Indiana.”
Posted in bioartificial, technology on janvier 14, 2008 | Aucun commentaire »
Perfusion-decellularized matrix: using nature’s platform to engineer a bioartificial heart
Harald C Ott, Thomas S Matthiesen, Saik-Kia Goh, Lauren D Black, Stefan M Kren, Theoden I Netoff & Doris A Taylor
Nature Medicine Published online: 13 January 2008 | doi:10.1038/nm1684
Posted in iPS on janvier 14, 2008 | Aucun commentaire »
Generation of induced pluripotent stem cells without Myc from mouse and human fibroblasts
Masato Nakagawa, Michiyo Koyanagi, Koji Tanabe, Kazutoshi Takahashi, Tomoko Ichisaka, Takashi Aoi, Keisuke Okita, Yuji Mochiduki, Nanako Takizawa & Shinya Yamanaka
NATURE BIOTECHNOLOGY VOLUME 26 n° 1 JANUARY 2008
