Search results for genetics:
Before 'Lucy,' there was 'Ardi': Oldest hominid skeleton provides new evidence for human evolution (w/ Video)
Other Sciences / Archaeology & Fossils
Oct 01, 2009 |
4.7 / 5 (35) |
1
In a special issue of Science, an international team of scientists has for the first time thoroughly described Ardipithecus ramidus, a hominid species that lived 4.4 million years ago in what is now Ethiop ...
Gene therapy improves vision
Nov 23, 2009 |
4.8 / 5 (4) |
0
German scientist Paul Ehrlich found what he coined the "magic bullet" in the early 20th century upon developing the world’s first effective treatment of syphilis.
The evolution of orchids
Nov 19, 2009 |
4.8 / 5 (8) |
4
(PhysOrg.com) -- Charles Darwin and many other scientists have long been puzzled by the evolution of orchids, the largest and most diverse family of flowering plants on Earth. Now genetic sequencing is giving ...
Why can't chimps speak? Study links evolution of single gene to human capacity for language
Nov 11, 2009 |
3.9 / 5 (15) |
3
(PhysOrg.com) -- If humans are genetically related to chimps, why did our brains develop the innate ability for language and speech while theirs did not?
California's Ancient Kelp Forest
Nov 10, 2009 |
4.6 / 5 (5) |
0
(PhysOrg.com) -- The kelp forests off southern California are considered to be some of the most diverse and productive ecosystems on the planet, yet a new study indicates that today's kelp beds are less extensive and lush ...
Ancient penguin DNA raises doubts about accuracy of genetic dating techniques
Nov 10, 2009 |
4.7 / 5 (23) |
15
Penguins that died 44,000 years ago in Antarctica have provided extraordinary frozen DNA samples that challenge the accuracy of traditional genetic aging measurements, and suggest those approaches have been ...
Single gene may cause curly hair
Nov 10, 2009 |
4.4 / 5 (8) |
0
(PhysOrg.com) -- Scientists in Australia have identified a single gene that strongly influences whether you have curly or straight hair.
Caught in the act: Scientists find butterflies splitting into two species
Nov 05, 2009 |
4.5 / 5 (8) |
5
(PhysOrg.com) -- Breaking up may actually not be hard to do, say scientists who've found a population of tropical butterflies that may be on its way to a split into two distinct species.
Scientists discover gene that 'cancer-proofs' rodent's cells
Oct 26, 2009 |
5 / 5 (47) |
13
(PhysOrg.com) -- Despite a 30-year lifespan that gives ample time for cells to grow cancerous, a small rodent species called a naked mole rat has never been found with tumors of any kind—and now biologists ...
New evidence of culture in wild chimpanzees
Oct 22, 2009 |
5 / 5 (6) |
1
A new study of chimpanzees living in the wild adds to evidence that our closest primate relatives have cultural differences, too. The study, reported online on October 22nd in Current Biology shows that neighb ...
Time in a bottle: Scientists watch evolution unfold
Oct 18, 2009 |
4.6 / 5 (42) |
13
A 21-year Michigan State University experiment that distills the essence of evolution in laboratory flasks not only demonstrates natural selection at work, but could lead to biotechnology and medical research ...
Fish vision discovery makes waves in natural selection
Oct 16, 2009 |
5 / 5 (8) |
1
Emory University researchers have identified the first fish known to have switched from ultraviolet vision to violet vision, or the ability to see blue light. The discovery is also the first example of an ...
Loss of Tumor-Suppressor and DNA-Maintenance Proteins Causes Tissue Demise, Study Finds
Oct 15, 2009 |
5 / 5 (1) |
0
(PhysOrg.com) -- A study published in the October issue of Nature Genetics demonstrates that loss of the tumor-suppressor protein p53, coupled with elimination of the DNA-maintenance protein ATR, severely disrup ...
Jumping genes, gene loss and genome dark matter
Oct 07, 2009 |
4.8 / 5 (5) |
1
In research published today by Nature, an international team describes the finest map of changes to the structure of human genomes and a resource they have developed for researchers worldwide to look at the ...
Genome-wide study of autism published in Nature
Oct 07, 2009 |
4.8 / 5 (6) |
0
(PhysOrg.com) -- In one of the first studies of its kind, an international team of researchers has uncovered a single-letter change in the genetic code that is associated with autism. The finding, published ...
