Navigation Links

Tag: "finches" at biology news

ASU research shows connection between testosterone, dietary antioxidants and bird coloration

...n they administered testosterone implants to zebra finches that it acted as a stimulant to the immune system. They went on to show that carotenoids acquired from food and circulating through the blood were changing in ways that were linked to testosterone levels. Birds who were given additional testosterone ...

Darwin's famous finches and Venter's marine microbes

Although the Galápagos finches were to play a pivotal role in the inception of Da...ogist John Gould who had to classify the Galápagos finches before they led Darwin on the right track, Manning and many others have been busy during the last co...

Mother birds give a nutritional leg up to chicks with unattractive fathers

...n in eggs, the researchers found that female house finches deposit significantly more antioxidants, which pro...in each egg in each clutch she lays." Male house finches display nutrition-linked plumage ranging in color from bright red to drab yellow. The researchers fo...

Zebra finches remember songs dad sang

...io's lab, where he raises zebra finches, Bengalese finches and canaries. The father contributes equally to childcare in zebra finch families and does all the singing, Vicario says. "In everyday English, 'song' and 'call' mean the same thing, but in scientific language, they're different," Vicario says. "Cal...

Expert dispels bird flu paranoia

...ird owners and neighbours about their pet parrots, finches and budgies. "We're getting three or four phone calls a day from people wanting to know if they should sell their house because their neighbours have got birds. Some ways that bird owners can minimise risk are: Build pens to keep domesticated p...

Migratory songbirds have a specialized night-vision brain area

...obins -- with two non-migratory songbirds -- zebra finches and canaries. Using a transparent cylindrical cage in Mouritsen's laboratory, they first accustomed the birds to the illumination equivalent of moonlight. They waited until the birds were sitting quietly to eliminate brain activity from movement. Th...

One gene links newborn neurons with those that die in diseases such as Alzheimer's

... In another experiment the scientists allowed male finches to sing to a female before analyzing the birds' brain neurons. As predicted, the expression of UCHL1 in replaceable neurons, but not in nonreplaceable ones, increased in birds that were singing. "These findings suggest that rising levels of UCHL1 ma...

Birds brains reveal source of songs

...ng them." To test this theory, Fee's team studied finches that were just old enough to begin their vocal explorations. The researchers temporarily inactivated the part of the AFP connecting to the motor system used in producing songs. That inactivation shut down all the variability, temporarily stranding th...

Bird Brains Show How Trial and Error May Contribute to Learning

... greater and more variable brain activity when the finches were singing to themselves compared to when they were serenading females. Kao wondered whether she could cause changes in bird song by manipulating this region. Learning takes some time, so Kao expected to wait for her results. But stimulating the L...

1

Other Tags
(Date:7/23/2014)... the nasty habit of getting tangled and forming knots. ... learn how to disentangle them (e.g. useful for gene ... for Advanced Studies (SISSA) in Trieste and his team ... these knots and their dynamics. In their latest paper, ... Micheletti together with Marco Di Stefano, first author and ...
(Date:7/23/2014)... German . ... some of which might be very different from ours. ... produced by sunlight in the atmosphere to calibrate their ... for Ornithology in Seewiesen, Germany, and Queen,s University Belfast ... active mammal, the greater mouse-eared bat, has the capability ...
(Date:7/23/2014)... no cure exists for Alzheimer,s disease, the devastating ... But scientists are now reporting new progress on ... treatment, that shows promise as a potential oral ... Journal of Medicinal Chemistry . , Carlo ... in a healthy brain, the protein known as ...
Breaking Biology News(10 mins):Bats use the evening sky's polarization pattern for orientation 2
(Date:7/23/2014)... if a suspicious skin lesion is painful or itchy ... to be cancerous, according to a new study headed ... Dermatology at Temple University School of Medicine. , The ... July 23, 2014, found that nearly 36. 9 percent ... 28.2 percent involve pain. Non-melanoma skin cancers specifically, ...
(Date:7/23/2014)... Celebrating a decade of philanthropy in 2014, The ... of $1,070,000 in grants to 20 New Jersey non-profit ... Foundation’s 1,000th grant. , “The Horizon Foundation for New ... community-based organizations that are working to improve public health ... State,” said Robert A. Marino, Horizon Blue Cross Blue ...
(Date:7/23/2014)... Inventor and entrepreneur Delegate Joe T. May will ... pump – sharing his passion for technology and innovation ... , With 24 patents granted and three pending, this ... the General Assembly since Thomas Jefferson. Inventions credited to ... seen on television, an instrument for measuring octane on ...
(Date:7/23/2014)... News) -- Regularly checking the pulse of a stroke ... "Screening pulse is the method of choice for checking ... have never had a stroke. Our study shows it ... to identify people who might need more thorough monitoring ... Bernd Kallmunzer, of Erlangen University in Germany. ...
(Date:7/23/2014)... in Shaanxi province, and the University of California, Davis, ... groundwork for establishing the Sino-U.S. Joint Research Center for ... held in the city of Yingchuan, China, during a ... Agriculture and China,s Ministry of Science and Technology. , ... and for our World Food Center and serves as ...
Breaking Medicine News(10 mins):Health News:Research led by Temple's chair of dermatology: Pain and itch may be signs of skin cancer 2Health News:The Horizon Foundation for New Jersey Awards More than $1 million in Grants to 20 Non-profit Organizations 2Health News:The Horizon Foundation for New Jersey Awards More than $1 million in Grants to 20 Non-profit Organizations 3Health News:The Horizon Foundation for New Jersey Awards More than $1 million in Grants to 20 Non-profit Organizations 4Health News:The Horizon Foundation for New Jersey Awards More than $1 million in Grants to 20 Non-profit Organizations 5Health News:Celebrating Innovation and Invention 2Health News:Routine Pulse Check May Prevent Second Stroke, Study Says 2Health News:Global food safety research agreement signed by China and UC Davis 2Health News:Global food safety research agreement signed by China and UC Davis 3
Other Contents