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Latest Organism Stories

2011-07-26 12:09:19

Billions of years ago, an astounding evolutionary event occurred: certain bacteria became obliged to live inside other cells, thus starting a chain of events that resulted in what is now the mitochondria, an organelle found in all eukaryotic cells. A recent study by researchers at the University of Hawaii "“ Manoa (UHM) and the Oregon State University (OSU) provides strong evidence that mitochondria share a common evolutionary ancestor with a lineage of marine bacteria known as SAR11,...

2011-07-15 07:21:10

(Ivanhoe Newswire) "“ New tools have been revealed for rewriting the code of life. Most DNA editing tools are slow, expensive, and hard to use. Now, scientists have developed fast and more efficient genome-scale editing tools. "The payoff doesn't really come from making a copy of something that already exists, you have to change it"”functionally and radically," George Church, a professor of genetics at Harvard Medical School who led the research effort, was quoted saying. From...

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2011-07-08 12:05:00

According to researchers, sex gives worms the power to fight off parasites. The researchers found that worms forced to reproduce asexually succumbed to a bacterial infection and died. The team said the results are the most convincing evidence to date for a key theory in evolutionary biology. The theory said that sex evolved because it allows organisms to reshuffle their genes into new combinations to stay a step ahead of parasites. The team said that reproducing asexually means there is no...

2011-06-24 12:08:30

The ability to identify self and non-self enables cells in more sophisticated animals to ward off invading infections, but it is critical to even simpler organisms such as the social amoebae Dictyostelium discoideum. Dictyostelium exists as a single cell when times are good, but when starved, the cells aggregate and become multi-cellular fruiting bodies with a dead stalk and live spores that allow the cells to survive and pass on genes. When the social amoeba aggregates, it prefers to do so...

2011-06-23 22:54:06

The ability to identify self and non-self enables cells in more sophisticated animals to ward off invading infections, but it is critical to even simpler organisms such as the social amoebae Dictyostelium discoideum. Dictyostelium exists as a single cell when times are good, but when starved, the cells aggregate and become multi-cellular fruiting bodies with a dead stalk and live spores that allow the cells to survive and pass on genes. When the social amoeba aggregates, it prefers to do so...

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2011-06-08 05:30:00

Geologists at MIT and Harvard have discovered fossils along the Alaska-Canada border that reveal protective plates for microscopic organisms.  Phoebe Cohen, a postdoc in MIT's Department of Earth, Atmospheric and Planetary Sciences, and Francis Macdonald, an assistant professor of geology at Harvard University, spent two weeks chiseling out rock samples during the summer of 2007 in a remote mountain range in the Yukon. They brought the rocks back to Cambridge and made a surprising...

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2011-06-03 05:45:00

Researchers unearth deepest-living animal ever found A team of researchers has discovered two species of a worm, living deeper than any other known animal on the planet, where experts previously believed no animal except single-cell bacteria could survive. The discovery of Halicephalobus mephisto, a new species of worm, and a previously known species, Plectus aquatilis, were discovered 2.2 miles below the surface in a South African gold mine thriving in sultry 118-degree Fahrenheit water...

2011-05-31 13:34:31

An international research group headed by Professor and Research Director Yrjö Helariutta has discovered the genetic process that controls the development of wood cells in the roots of plants. Wood is the vascular tissue that transports water and nutrients upward from the root, also contributing to the formation of the woody element in the stem. The work, published in the online version of the prestigious Current Biology journal, presents a potential method for engineering plants to...

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2011-05-13 03:11:59

Scientists have known for two decades that sulfur compounds that are produced by bacterioplankton as they consume decaying algae in the ocean cycle through two paths. In one, a sulfur compound dimethylsulfide, or DMS, goes into the atmosphere, where it leads to water droplet formation "“ the basis of clouds that cool the Earth. In the other, a sulfur compound goes into the ocean's food web, where it is eaten and returned to seawater. What they haven't known is how sulfur is routed one...

2011-05-06 14:36:56

Single-cell marine organisms offer clues to how cells interact with the environment From a bucket of seawater, scientists have unlocked information that may lead to deeper understanding of organisms as different as coral reefs and human disease. By analyzing genomes of a tiny, single-celled marine animal, they have demonstrated a possible way to address diverse questions such as how diseased cells differ from neighboring healthy cells and what it is about some Antarctic algae that allows them...


Latest Organism Reference Libraries

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2014-01-12 00:00:00

Biology is the study of living organisms. Before the 19th century, biology was known as natural history (the study of all living things). Gottfried Reinhold Treviranus was the first person to coin the term biology. Biology comes from the Greek words bios (meaning "life") and logia (meaning "study of"). It is a common science that is a standard subject in schools and universities around the world. Over a million papers are published annually in biology and medicinal journals. Not just a...

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Word of the Day
Cthulhu
  • A gigantic fictional humanoid alien god being described with a head resembling an octopus and dragon wings and claws, around whom an insane cult developed.
  • Pertaining to the mythos of Cthulhu and additional otherworldly beings created by H. P. Lovecraft or inspired by his writings and imitators.
This word was invented in 1926 by H.P. Lovecraft for his short story, 'The Call of Cthulhu.' 'Cthulhu' may be based on the word 'chthonic,' which in Greek mythology refers to the underworld.
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