Science News - Feb 20th, 2008

Identical Twins Not As Identical As Believed

Contrary to our previous beliefs, identical twins are not genetically identical. http://www.sciencedaily.com/releases/2008/02/080215121214.htm

Genome of Marine's Organism tells of Human's Unicellular ancestors

The newly sequenced genome of a one-celled, planktonic marine oganism, is already telling scientists about the evolutionary changes that accompanied the jump from one-celled life forms to multicellular animals like ourselves.

http://www.sciencedaily.com/releases/2008/02/080214144412.htm

Warming Waters may make Antarctica Hospitable to Sharks

It has been 40 million years since the waters around Antarctica have been warm enough to sustain populations of sharks and most fish, but they may return this century due to the effects of global warming. If they do, the impact on Antarctic ecology could be serious.

http://www.sciencedaily.com/releases/2008/02/080217220939.htm