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Tag: "video" at biology news

Art and music for the birds

... from a conversation with co-creator John Walsh, a video artist, who sent Demaray sounds made by the catbird, an avid appreciator of human noise. The Rutgers-Camden scholar makes art that interacts with natural surroundings – imagine spotting a tree donning a sweater or finding a rock upholstered as a base...

Cellular message movement captured on video

... Credit: UC San Diego Scientists have captured on video the intracellular version of a postal delivery ser...cence-labeled traces of cytoskeleton. Even without video evidence, scientists have confirmed over the past 10 years that higher organisms use paxillin as a t...

Electric fish conduct electric duets in aquatic courtship

...d documenting electrical pulses based on sex. They video recorded four pair of mating mormyrids (a feat in itself, since the species rarely breeds successfully in captivity) and identified nine common motor displays and 11 specific pulse sequences common to courtship and mating. "Knowing the electrical ...

Antarctic icebergs -- Hotspots of ocean life

...s, identifying and counting animals with its color video camera, collecting samples, and surveying its topography.” Based on their new understanding of the impacts of the icebergs and their growing numbers -- the researchers counted close to 1,000 in satellite images of some 4,300 square miles of ocean ...

Moths mimic sounds to survive

...s to hunt moths in view of two high-speed infrared video cameras to record predator-prey interactions that occur in fractions of a second. He also recorded the sounds emitted from each moth, as well as the sounds made by the bats. All the bats quickly learned to avoid the noxious moths first offered t...

Palau's coral reefs show differential habitat recovery following the 1998 bleaching event

... averages. Using underwater digital video cameras, van Woesik and his team examined the rate of coral recovery at 13 different sites, and found that recovery rates increased over time; notably, sheltered bay areas, which suffered less in 1998, appeared to support recovery of outer-reef, "wav...

From the deep -- Researchers find new species of sea anemone

...olves a lot of high-tech equipment like underwater video cameras attached to remotely operated vehicles (ROVs). Deep sea ROVs are also equipped with robotic arms and suction devices that are used to collect species. "It's like a submarine that's manned from the surface," said Daly, who plans to head to ...

Flies don't buzz about aimlessly!

... serve any real purpose? Armed with a computer video tracking system and an array of mathematical techniques the two researchers have revealed how the flight patterns of starved fruit flies constitute an optimal scale-free searching strategy ?like the fractal patterns of a snowflake, a fly flight path ...

Action video games sharpen vision 20 percent

...Rochester have shown that people who played action video games for a few hours a day over the course of a m...gular ophthalmology clinics. In essence, playing video game improves your bottom line on a standard eye chart. "Action video game play changes the way o...

A case of mistaken identity for the ivory-billed woodpecker?

... Martin Collinson compared David Luneau's Arkansas video footage from April 2004 of the supposed Ivory-bill... Aberdeen-based Collinson concludes that Luneau's video shows a bird that is not fully identified, and probably a Pileated Woodpecker. His analysis of the f...

No-scalpel vasectomies by skilled surgeons may speed recovery

...echnique. Training was limited to an instructional video and one supervised procedure. Only one surgeon performed more than 10 no-scalpel vasectomies in the trial. The smaller study showed no difference in postoperative results between the two techniques, but this, review authors say, could have been d...

Surgeons with video game skill appear to perform better in simulated surgery skills course

...y involving 12 surgeons and 21 surgical residents, video game skill was correlated with laparoscopic surger...residents and 12 attending physicians) about their video game–playing habits, then assessed their performance at the Rosser Top Gun Laparoscopic Skills and S...

Do you hear what i see?

...ortex showed activity when the monkeys watched the video without sound, and activity was enhanced when the video was presented simultaneously with the sound. "This finding suggests that sensory integration, wh...

Fish can determine their social rank by observation alone, study finds

...fore, each rival looked like a winner. Using a video camera, researchers recorded which rival the bystander approached first, and the overall time he spent next to each of them. "Previous experiments in A. burtoni and other fish have shown that time spent in tank quadrants adjacent to a particular male...

How T lymphocytes attack

...e original images obtained and assembled in twelve video sequences are the result of close collaboration between a specialist in two-photon microscopy, Luc Fetler, an INSERM scientist in the CNRS/Institut Curie "Physical Chemistry Curie" Unit1, and immunologists, notably Alexandre Boissonnas, in the INSERM...

Coated nanoparticles solve sticky drug-delivery problem

...hly 80,000 nanometers wide.) Using high-resolution video microscopy and computer software, the researchers discovered that their PEG-coated 200-nanometer particles could slip through a barrier of human mucus. They then conducted further tests to see how large their microscopic drug carriers could be bef...

Computer scientists unravel 'language of surgery'

...gical tasks." The team also hopes to incorporate video data from the da Vinci and possibly from minimally...all incisions to complete a medical procedure. The video data from the camera could contribute data to the team's efforts to identify effective surgical meth...

Teenager moves video icons just by imagination

...y, is the first teenager to play a two-dimensional video game, Space Invaders, using only the signals from ...ace Invaders, one of the most popular breakthrough video games of the late '70s. The player controls the motions of a movable laser cannon that moves back an...

Embryonic patterning makes the feathers fly

...e results were recorded in real time by time-lapse video microscopy. The resulting chicken feather movie resolved the question: the FGF/MAPK pathway acted through the mesenchyme. Analyses of fluorescent-labeled cells confirmed an increase in mesenchymal cell motility following MAPK pathway inhibition. ...

Prototype just-in-time medical device enables untrained bystanders to save lives

...est, an anesthesia mask, defibrillator pads, and a video screen and speakers that transmit audio and visual cues to tell the user what to do and give him or her feedback about actions taken. The cues were based on American Heart Association protocols. Half the 40 participants used the JITS device and hal...

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