News tagged with biological origin
When dying, bacteria share some characteristics with higher organisms
Do bacteria, like higher organisms, have a built-in program that tells them when to die? The process of apoptosis, or cell death, is an important part of normal animal development. In a new study published March 6 in the ...
Mar 06, 2012 |
5 / 5 (2) |
0
|
Advantages of living in the dark: The multiple evolution events of 'blind' cavefish
The blind Mexican cavefish (Astyanax mexicanus) have not only lost their sight but have adapted to perpetual darkness by also losing their pigment (albinism) and having altered sleep patterns. New research publis ...
Jan 22, 2012 |
4.8 / 5 (11) |
47
|
Mass spectrometry and imaging facilities enable cancer cell discovery
A breakthrough in the laboratory of Kevin Vaughan, associate professor of biological sciences at the University of Notre Dame, will assist researchers in understanding cell cycle regulation. The group identified ...
Aug 19, 2011 |
not rated yet |
0
The 'natural' asymmetry of biological molecules may have come from space
Certain molecules do exist in two forms which are symmetrical mirror images of each other: they are known as chiral molecules. On Earth, the chiral molecules of life, especially amino acids and sugars, exist ...
Space & Earth / Space Exploration
Jan 11, 2011 |
4.5 / 5 (4) |
0
New statistical model moves human evolution back 3 million years
Evolutionary divergence of humans from chimpanzees likely occurred some 8 million years ago rather than the 5 million year estimate widely accepted by scientists, a new statistical model suggests.
Other Sciences / Archaeology & Fossils
Nov 05, 2010 |
4.7 / 5 (18) |
5
|
Scientists narrow down origins of malaria
(PhysOrg.com) -- From King Tut to Alexander the Great to Mother Theresa, the mosquito-borne illness malaria has long been a menace to human civilization. Now, an international team of scientists, including ...
Medicine & Health / Medical research
Mar 05, 2010 |
2 / 5 (3) |
0
|
Poisonous Poisson
In contrast to the exhaustive research into venom produced by snakes and spiders, venomous fish have been neglected and remain something of a mystery. Now, a study of 158 catfish species, published in the ...
Dec 04, 2009 |
4 / 5 (6) |
0
The Worm That Turned Evolutionary Key
(PhysOrg.com) -- The Keelworm, widespread in the seas and tide-pools around Scotland and the rest of the UK, is unwittingly helping scientists at the University of St Andrews to understand the evolution of modern animals.
Nov 20, 2009 |
3.3 / 5 (4) |
0
Book by UC Riverside biologist explains Darwin's 'Origin of Species'
Many people have tried to read Charles Darwin's "Origin of Species," whose publication celebrates its 150th anniversary this month, but gave up.
Nov 09, 2009 |
5 / 5 (1) |
0
Designer molecule detects tiny amounts of cyanide, then glows
(PhysOrg.com) -- A small molecule designed to detect cyanide in water samples works quickly, is easy to use, and glows under ultraviolet or "black" light. Although the fluorescent molecule is not yet ready ...
Oct 21, 2009 |
4 / 5 (3) |
0
New study resolves the mysterious origin of Merkel cells
A new study resolves a 130-year-old mystery over the developmental origin of specialized skin cells involved in touch sensation. The findings will appear in the October 5, 2009 issue of the Journal of Cell Bi ...
Sep 28, 2009 |
5 / 5 (3) |
0
Joint research into an enzyme that causes genetic diseases
Researchers from CIC bioGUNE's Structural Biology Unit and Columbia University (New York) have conducted a joint research project, published in the prestigious scientific journal Structure, to gain in-depth knowledge of the ...
Aug 05, 2009 |
5 / 5 (1) |
0
Reconstructing the evolution of laughter in great apes and humans
Like human infants, young apes are known to hoot and holler when you tickle them. But is it fair to say that those playful calls are really laughter? The answer to that question is yes, say researchers reporting ...
Jun 04, 2009 |
4.8 / 5 (4) |
1
Back to basics: Scientists discover a fundamental mechanism for cell organization (w/Video)
Scientists have discovered that cells use a very simple phase transition -- similar to water vapor condensing into dew -- to assemble and localize subcellular structures that are involved in formation of the embryo.
May 21, 2009 |
4.8 / 5 (6) |
0
Research links evolution of fins and limbs with that of gills
The genetic toolkit that animals use to build fins and limbs is the same genetic toolkit that controls the development of part of the gill skeleton in sharks, according to research to be published in Proceedings of ...
Mar 23, 2009 |
5 / 5 (2) |
0
