Anyone who studied a little genetics in high school has heard of adenine, thymine, guanine and cytosine - the A,T,G and C that make up the DNA code. But those are not the whole story. The rise of epigenetics in the past decade ...
Cell & Microbiology
Apr 16, 2009
0
0
The DNA in the 23 pairs of chromosomes in each of the billions of cells of the human body is so tightly packed that it would measure six feet in length if stretched end to end. A genome of this size can squeeze into a cell's ...
Cell & Microbiology
Apr 9, 2009
1
0
Chemists at New York University and Harvard University have created a bipedal, autonomous DNA "walker" that can mimic a cell's transportation system. The device, which marks a step toward more complex synthetic molecular ...
Biochemistry
Apr 2, 2009
0
0
(PhysOrg.com) -- CSIRO's Double Helix Science Club has produced a paper model of the International Space Station (ISS) - the first designed just for children.
Space Exploration
Mar 3, 2009
0
0
(PhysOrg.com) -- Anyone who has ever battled a stuck zipper knows it's a good idea to see what's stuck, where and how badly -- and then to pull hard. A Cornell research team's experiments involve the "unzipping" of single ...
Jan 28, 2009
0
0
Researchers have long known that some repetitive DNA sequences can make human chromosomes "fragile," i.e. appearing constricted or even broken during cell divisions. Scientists at Tufts University have found that one such ...
Jan 11, 2009
0
0
