Panspermia: Spreading Life Through the Universe
Space.com, July 24, 2003
Researchers have found live cells in samples taken at 41 km above the Earth, suggesting a possible extraterrestrial origin.
http://www.space.com/searchforlife/seti ... 30724.html
или может самозародилась на планете?
New clues to identity of first genetic molecule
New Scientist, July 27, 2003
TNA, possibly a precursor to RNA, can be assembled by natural enzymes, Jack Szostak, a molecular biologist at Massachusetts General Hospital, has shown.
TNA is based on a sugar called threose instead of the deoxyribose found in DNA and the ribose in RNA. Szostak could explore the feasiblity of a TNA-based biology.