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Tag: "captured" at biology news

Cellular message movement captured on video

...nts (green). Credit: UC San Diego Scientists have captured on video the intracellular version of a postal delivery service. Reporting in the journal Biochemical and Biophysical Research Communications (BBRC), bioengineering researchers at UC San Diego published videos of a key message-carrying protein called...

Researchers track how spores break out of dormant state

...llus spores suggests that evolutionary forces have captured the mechanical rigidity and resistance of these amyloid self-assembling biomaterials to structure the protective outer spore surface,” Plomp said. When exposed to a solution that triggers germination, nanometer sized etch pits were seen developing...

CSIRO scientists join fight to save 'Tassie devil'

...h said. “Such a test would enable the screening of captured animals prior to their release into the wild or placement into isolated breeding populations.” Dr Church and his team will look to extend their work using the Australian synchrotron infrared beam line when it comes on-line later this year. Steve M...

Study shows lizard moms dress their children for success

...n back patterns. She also tested eggs from lizards captured in the wild and found a wide range of naturally occurring estradiol concentrations in the egg yolks. The researchers then performed experiments in breeding enclosures, each holding one male lizard and three females. The numbers of orange- and yel...

Scientists close in on missing carbon sink

... collaborators set out to test how well the models captured carbon sinks, focusing in particular on estimates produced by a recent international study into global carbon exchange known as TransCom. They turned to flasks of air collected by research aircraft over various points of the globe for the past 27 yea...

Why do oysters choose to live where they could be eaten?

...lts from the same species. Yet, death for a larvae captured by a feeding adult is nearly certain at greater th...t larvae if captured, settling larvae are just not captured very often. In fact, when a comparison of being captured versus landing on a suitable location to gr...

Dinosaur hearing, listening to muscle noise, quieter cubicles

...ded their voices during all waking hours. The data captured voice-production events as short as 0.0316 seconds and as long as 100 s. On average, the teachers had 1,800 occurrences of voicing per hour at work, compared to 1,200 per hour during non-work periods (for a total of as many as 20,000 per day). Voicin...

Rare soft-shell turtle, nesting ground found in Cambodia

...ation, and the Cambodian Turtle Conservation Team captured and released an 11-kilogram (24.2-pound) female Ca...ith another adult turtle and additional hatchlings captured by fishermen and handed over to the conservation team. Last observed by scientists in the wild in...

In Iran, cheetahs collared for the first time

...periled cats on earth. The two male cheetahs were captured in the Bafgh Protected Area, Yazd Province, in the south-west area of the central Iranian plateau, where they were tranquilized, and fitted with compact GPS collars weighing 350 grams- only 1% of the cheetahs' weight. It is the first time the specie...

Tracking sperm whales and jumbo squid

...d heavily on jumbo squid, a species that is easily captured and amenable to tagging. To our knowledge, this is the first attempt to simultaneously study a mesopelagic predator and its prey using electronic tagging techniques." Size matters The jumbo (or Humboldt) squid is a large cephalopod species fo...

Protein fragments sequenced in 68 million-year-old Tyrannosaurus rex

...hool and Beth Israel Deaconess Medical Center have captured and sequenced tiny pieces of collagen protein from a 68 million-year-old Tyrannosaurus rex. The protein fragments—seven in all—appear to most closely match amino acid sequences found in collagen of present day chickens, lending support to a recent an...

Cancer-killing invention also harvests stem cells

...heir selectin-coated device, and that 38% of these captured cells were stem cells. King envisioned a system by which doctors could remove stem cells from the bloodstream by flowing the cells through a device, and make a more concentrated mixture containing, say, 20-40 percent stem cells. These stem cells co...

Ancient amphibians evolved a bite before migrating to dry land

... amphibian skulls reveal how these extinct animals captured prey, say authors Molly J. Markey and Charles R. Marshall. "Based on experimental data obtained from living fish, we found that the shapes of sutures in the skull roof indicate whether a fish captures its prey by sucking it into the mouth -- like ...

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

... to beat more slowly that the 8.6 beats per second captured on Luneau's video, and its wings have black trailing edges. The trailing edges of the Ivory-billed Woodpecker's wings are white. Aberdeen-based Collinson concludes that Luneau's video shows a bird that is not fully identified, and probably a Pilea...

Scientists create dual-modality microbeads to improve identification of disease biomarkers

... urine. Viruses, proteins or other biomarkers are captured on the bead surface. After the beads are removed from the liquid, optical imaging is used to determine the concentration of a specific protein or virus in the liquid sample based on the number of proteins or viruses attached to the surface of the bea...

Chemical switch triggers critical cell activities

... The goal was to create a freeze-frame image that captured the fleeting moment when E2 is next to NEDD8, just before it falls off and carries NEDD8 with it. To do that, Schulman's team first had to prevent E2 from binding with NEDD8, so it would not fall away from E1. The investigators used a mutated form of...

Lower carbon dioxide emissions from coal-fueled power plants possible with technology development

...e process works and evaluate an option for storing captured carbon dioxide. For process verification, Roch...ic CO2 Storage will investigate how carbon dioxide captured using Rochelle’s process will behave if stored underground in a high-pressure, liquid form. Sandston...

Satellites shed light on global warming

...n January 1995 and Larsen-B in March 2002. Envisat captured the disintegration of the 200-metre-thick Larsen-B Ice Shelf, which researchers estimate had been stable since the last ice age 12 000 years ago. "This retreat was triggered by climate warming, which caused prolonged summer melt seasons and the f...

CSIRO imagery shows Outer Great Barrier Reef at risk from river plumes

... travelling from our river systems into the GBR is captured by the longshore current and travels no more than ...r Reef Lagoon and the inner reef corals. Images captured by CSIRO show large plumes of terrestrial material following unconventional patterns and travelling ...

Huddling and a drop in metabolism allow penguins to survive the South Pole cold

...d May 5, 2001, five pairs of emperor penguins were captured and had devices ("loggers") surgically implanted to record the animals internal temperatures. Pairs were selected in which the males had sufficient body fuel reserves that would ensure success in their incubating task. After implantation, both mates ...

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