Navigation Links
Giraffes in Biological News

Winning by a neck -- Giraffes avoid competing with shorter browsers

The giraffe's elongated neck has long been used in textbooks as an illustration of evolution by natural selection, but this common example has received very little experimental attention. In the January issue of the American Naturalist, researchers at the Mammal Research Institute in the Department...

Climate-caused biodiversity booms and busts in ancient plants and mammals

...useum of Nature & Science. Some 30 new rodents, carnivores, primates and artiodactyls (the group that includes sheep, goats, camels, pigs, cows, deer, giraffes and antelopes, among others) appeared on the scene. But then, as temperatures declined again, the number of mammal genera dropped to a low of 84, ...

100 reasons to change the way we think about genetics

...lightly longera trait that was passed on to descendants. Generation after generation inherited slightly longer necks, and the result is what we see in giraffes today. With the advent of Mendelian genetics and the later discovery of DNA, Lamarck's ideas fell out of favor entirely. Research on epigenetics, w...

Fossil evidence of missing link in the origin of seals, sea lions, walruses found in Canadian Arctic

...hwater fishes, one bird, and four mammalian taxa: shrew, rabbit, rhinoceros, and small artiodactyl (small short-legged herbivores, ancestors to modern giraffes and deer). The earliest well-represented pinniped, Enaliarctos a marine form with flippershas been found on northern Pacific shores of North Ame...

Scientists find fossil proof of Egypt's ancient climate

...ng picture of arid Egypt: 130,000 years ago, what everyone considers an eternal desert was actually a thriving savannah, complete with humans, rhinos, giraffes and other wild life. Evidence for the hominin presence abounds near the lake in the form of Middle Stone Age artifacts such as stone scrapers and b...
Giraffes in Biological Definition

Species

...Lamarck suggested that an organism could pass on an acquired trait to its offspring, i.e., the giraffe 's long neck was attributed to generations of giraffes stretching to reach the leaves of higher treetops (this well-known and simplistic example, however, does not do justice to the breadth and subtlety of...
Other Tags
(Date:8/27/2014)... from our parents shapes many aspects of our lives. ... epigenome that is set during development, but can be ... by those of our parents and grandparents. , The ... supporting proteins that determine whether genes are expressed or ... our own health, but also that it may be ...
(Date:8/27/2014)... Hudson County, NJ (PRWEB) August 27, 2014 ... that a leading pediatric practice, Hoboken Pediatrics has ... system welcomes Dr. Andrzej Klos, Dr. Piotr Oko, ... the community. Hundreds of highly skilled and experienced ... network of top doctors and practices in Hudson ...
(Date:8/27/2014)... and Germantown, Md., and Denver (PRWEB) August 27, 2014 ... real estate developer , has broken ground on a ... new Holy Cross Health hospital campus in Germantown, an ... Md. Germantown is the third most populous place in ... building on the Holy Cross Germantown Hospital campus is ...
(Date:8/27/2014)... 27, 2014. Kessler Foundation scientists examined the implications ... injury research and rehabilitation. The article by Anthony ... cultural diversity in acquired brain injury (ABI) rehabilitation ... Drs. Lequerica and Krch are research scientists ... Foundation and co-investigators for the Northern New Jersey ...
(Date:8/27/2014)... you experienced worrisome medical symptoms, did you look ... If so, you,re not alone. Consumers are increasingly ... groups to gather anecdotal information and advice, which ... sources. New research to be presented at the ... characteristics of consumers who use the Internet to ...
Breaking Medicine News(10 mins):Health News:Scientists map the 'editing marks' on fly, worm, human genomes 2Health News:Scientists map the 'editing marks' on fly, worm, human genomes 3Health News:Scientists map the 'editing marks' on fly, worm, human genomes 4Health News:Hoboken Pediatrics Joins CarePoint Health Medical Group 2Health News:Hoboken Pediatrics Joins CarePoint Health Medical Group 3Health News:NexCore Breaks Ground on Medical Office Building on Holy Cross Health Campus in Germantown, Maryland 2Health News:NexCore Breaks Ground on Medical Office Building on Holy Cross Health Campus in Germantown, Maryland 3Health News:NexCore Breaks Ground on Medical Office Building on Holy Cross Health Campus in Germantown, Maryland 4Health News:Educated consumers more likely to use potentially unreliable online healthcare information 2
(Date:8/27/2014)... DURHAM, N.C. -- When we want to listen carefully ... talking. The second thing we do is stop moving ... unwanted sounds generated by our own movements. , This ... deep in the brain. Indeed, indirect evidence has long ... somehow influences the auditory cortex, which gives rise to ...
(Date:8/27/2014)... Dinosaurs are often depicted as giant, frightening beasts. But ... examination of a rock slab containing fossils of 24 ... of a group of hatchlings overseen by a caretaker, ... researchers. , Penn,s Brandon P. Hedrick and Peter Dodson ... Museum of Natural History, where the specimen is held. ...
(Date:8/27/2014)... long-standing belief that a deficiency in serotonin a ... role in depression. In the journal ACS Chemical ... to make serotonin in their brains (and thus should ... depression-like symptoms. , Donald Kuhn and colleagues at ... State University School of Medicine note that depression poses ...
Breaking Biology News(10 mins):Stop and listen: Study shows how movement affects hearing 2Stop and listen: Study shows how movement affects hearing 3Penn paleontologists describe a possible dinosaur nest and young 'babysitter' 2Penn paleontologists describe a possible dinosaur nest and young 'babysitter' 3New study throws into question long-held belief about depression 2
Other Contents