(Phys.org) -- A gene thought previously to be present in all life on earth has been found to be missing in life near volcanoes.
Cell & Microbiology
Jun 12, 2012
33
0
After two decades of examining a microscopic algae-eater that lives in a lake in Norway, scientists on Thursday declared it to be one of the world's oldest living organisms and man's remotest relative.
Cell & Microbiology
Apr 26, 2012
10
0
(PhysOrg.com) -- More than 500 million years ago, single-celled organisms on Earth's surface began forming multi-cellular clusters that ultimately became plants and animals.
Cell & Microbiology
Jan 16, 2012
499
0
Tiny fossils that scientists have thought for decades were the embryos of the earliest animals ever found have turned out to be the remains of much simpler microbial organisms.
Paleontology & Fossils
Dec 22, 2011
1
0
When a bacterial cell divides into two daughter cells and those two cells divide into four more daughters, then 8, then 16 and so on, the result, biologists have long assumed, is an eternally youthful population of bacteria. ...
Cell & Microbiology
Oct 27, 2011
15
0
(PhysOrg.com) -- A protein shared by the simple viruses that infect single-cell organisms, and their highly complex counterparts that affect mammals, could hold to the key to understanding and ultimately neutralising the ...
Cell & Microbiology
Sep 9, 2011
0
0
After digging holes in the Earth's crust for nearly two decades, Princeton University geoscientist Tullis Onstott is now making headlines for unearthing "worms from hell."
Space Exploration
Jul 12, 2011
7
0
(PhysOrg.com) -- Archaea are among the oldest known life-forms, but they are not well understood. It was only in the 1970s that these single-celled microorganisms were designated as a domain of life distinct from bacteria ...
Cell & Microbiology
Jul 6, 2011
0
0
The world's oceans support vast populations of single-celled organisms (phytoplankton) that are responsible, through photosynthesis, for removing about half of the carbon dioxide that is produced by burning fossil fuels – ...
Ecology
Jun 21, 2011
3
0
(PhysOrg.com) -- A team of scientists led by Montana State University has discovered the "when" of a major event that led to the evolution of complex life on Earth.
Earth Sciences
Jun 21, 2011
1
0
