What did i do today. I've been idlely still for 15mins pondering about that question.
Interview in the morning with heechai and friends, loiter around orchard.
2 choice of job, first $7 an hr picking normal calls, the other one $9 per hr handling complain calls.
Since its $9 why not, i decided to take the risk...
Saw grace's blog http://www.chinesegrace.blogspot.com and saw Edwin. His in beijing already.. woohoo... His dream came true..
I can admit his just one daring person to go beijing alone.
Came across this news from digg.com
A Blueprint to Regenerate Limbs
In its own way, the axolotl salamander is a mighty beast. Chop off its leg, and the gilled creature will grow a new one. Freeze part of its heart, and the organ will form anew. Carve out half of its brain, and six months later, another half will have sprouted in its place. "You can do anything to it except kill it, and it will regenerate," says Gerald Pao, a postdoctoral researcher at the Salk Institute for Biological Studies, in La Jolla, CA.
That extraordinary power of regeneration inspired Pao to probe the axolotl salamander's DNA. Despite decades of research on the salamander, little is known about its genome. That began to change last year, when Pao and his collaborators won one billion bases' worth of free sequencing from Roche Applied Science, based in Indianapolis. Now that the data is in, scientists can finally begin the hunt for the genetic program that endows the animal with its unique capabilities.
While all animals can regenerate tissue to a certain extent--we can grow muscle, bone, and nerves, for example--salamanders and newts are the only vertebrates that can grow entire organs and replacement limbs as adults. When a leg is lost to injury, cells near the wound begin to dedifferentiate, losing the specialized characteristics that made them a muscle cell or bone cell. These cells then replicate and form a limb bud, or blastema, which goes on to grow a limb the same way that it forms during normal development.
Scientists have identified some of the molecular signals that play a key role in the process, but the genetic blueprint that underlies regeneration remains unknown. Researchers hope that by uncovering these molecular tricks, they can ultimately apply them to humans to regrow damaged heart or brain tissue, and maybe even grow new limbs.
In order to quickly identify sections of the salamander's genome involved in regeneration, the scientists sequenced genes that were most highly expressed during limb-bud formation and growth. They found that at least 10,000 genes were transcribed during regeneration. Approximately 9,000 of those seem to have related human versions, but there appear to be a few thousand more that don't resemble known genes. "We think many of them are genes that evolved uniquely in salamanders to help with this process," says Randal Voss, a biologist at the University of Kentucky, who is working on the project.