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Tag: "photographs" at biology news

Putting feelings into words produces therapeutic effects in the brain

...ygdala response even when they show such emotional photographs subliminally, so fast a person can’t even see them. But does seeing an angry face and simply calling it an angry face change our brain response" The answer is yes, according to Matthew D. Lieberman, UCLA associate professor of psychology and a fo...

Traumas like Sept. 11 make brains more reactive to fear

...motional reactions in the brain when stimulated by photographs of fearful faces. "Our study suggests that there...ce imaging to see how people's brains responded to photographs of fearful versus calm faces, the scans of 11 people who were within 1.5 miles of the World Trade Ce...

Mimicking how the brain recognizes street scenes

...ry the varied examples of objects found in digital photographs of street scenes: buildings, cars, motorcycles, ai... pedestrians, roads, skies, trees, and leaves. The photographs derive from a Street Scene Database compiled by Bileschi. Compared to traditional computer-visio...

Illuminating the dark side of plants

...haracteristics. The images include 398 full-color photographs as well as color plates from the LuEsther T. Mertz Library of The New York Botanical Garden. The book contains vital information on a broad variety of poisonous and injurious temperate and tropical plants such as holly, poinsettia, and philodendro...

Computer imaging assists with facial reconstructive surgery

...ing the distance between the upper ear and chin in photographs could help facial plastic surgeons use computer im... on the chin bone. Preoperative and postoperative photographs were analyzed and the distance from the porion (the top of the external ear canal) to the pupil and ...

'The eyes have it' -- Autism research yields surprising results

...h are largely based on methods that present static photographs to participants. Our study indicates that a more accurate measure of the abilities of those with autism can be obtained through the use of sophisticated digital imaging techniques with animated facial expressions." The study compared two groups of...

Human preference for other species could determine whether they survive

...ated the popularity of various species by studying photographs in four large-format photograph books about penguins. Decisions about how many and which photographs to use and how large to make them presumably were made by the books' editors based on their own pref...

NASA snow data helps maintain nation's largest, oldest bison herd

Grainy photographs of America's Old West recall a time when large bison herds migrated across wide prairie lands, 30 million strong, with the changing seasons determining their path and destination. Now, NASA satellite data and computer modeling and U.S. Department of ...

New bird discovered on unexplored Columbian mountain

...e specimen was released unharmed, a DNA sample and photographs having been taken. This is the first time that a live specimen has been used for the description of a new bird following the approval by the International Commission of Zoological Nomenclature of such techniques last year. With biological justific...

Shrinking ponds signal warmer, dryer Alaska

...ions of this loss." Using black and white aerial photographs from the 1950s, color infrared aerial photographs from 1978-1982, and digital images from the Landsat satellite from 1999-2002, Riordan outlined each ...

Coral reefs are increasingly vulnerable to angry oceans

...ern part of the Great Barrier Reef, taking digital photographs of corals, and calculating their vulnerability. They found that the threshold imposed by the previous year's biggest storm predicted the pattern of coral sizes and shapes almost perfectly. "There were a lot of table corals present that went right...

Stormy days ahead for coral reefs

...ern part of the Great Barrier Reef, taking digital photographs of corals, and calculating their vulnerability. They found that the threshold imposed by the previous year's biggest storm predicted the pattern of coral sizes and shapes almost perfectly. "There were a lot of table corals present that went ...

The appearance of your hands can reveal your age, study finds

...nation." In the study, people examined unaltered photographs of female hands and were asked to estimate the wom...pants were also asked to compare digitally altered photographs of female hands ?blemishes and hand veins were removed or jewelry and nail polish were added ?to una...

WWF captures first-ever photo of wild rhino on Borneo

... seen, which accounts for the lack of any previous photographs of them in the wild. Conservationists hope that the population of at least 13 found last year is viable and will be able to reproduce if protected from poaching. A full-time rhino monitoring team, funded by Honda Malaysia was established at the end...

APS lecturer shows rare video of 'teacher-student' immune cell interactions in live animal

... 15-30 seconds to generate the necessary series of photographs to create the 3-dimensional footage and the animal must remain perfectly still for it to work. It took a year to figure out how to keep the anesthetized animal from moving, he said. Others have also worked to develop and advance the technology, von ...

Scientists discover dozens of new species in 'Lost World' of western New Guinea

...in range. This time, scientists captured the first photographs ever of the Golden-fronted Bowerbird displaying at its bower ?a tower of twigs and other forest materials it builds for the mating ritual. The new species of honeyeater, the first new bird discovered on the island of New Guinea since 1939, has a bri...

Sahara's edge studied from ground, air and space to improve water management

...s possible, for example close-up three-dimensional photographs were taken of plant rows and soil roughness while sap flow measurements made for olive trees. Samples were analysed in Tunisian laboratories and weather conditions were also documented. "The conditions for the ground teams were a lot rougher," said...

The shape of things to come: Morphology database going global

...atabase that contains thousands of high-resolution photographs and other images of plant and animal specimens. Now he is leading an interdisciplinary team of FSU scientists to expand the database, thanks to a $2.25 million grant from the National Science Foundation. "It used to be that there was a limited body ...

The Antarctic Ocean floor

... between 1mm and 150mm. In the laboratory itself photographs are again taken in order to identify features peculiar tot he animal and, finally, the classification of the species in question is presented in the specialist literature. In the previous campaign, expedition members discovered a new species of verm...

Scientists get first glimpse at how plants, most animals repair UV-damaged DNA

...measurements together like a series of stop-motion photographs to reveal the individual steps of UV repair. Zhong explained the damage and repair processes this way: When a UV photon strikes a portion of DNA, the atoms in the DNA molecule become excited. Sometimes an accidental bond forms between them. The bond...

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