Tag: "giant" at biology news
Blame North America megafauna extinction on climate change, not human ancestors
...American mammals, including horses, camels, bears, giant
sloths, saber-toothed cats, mastodons and mammoths. The overkill hypothesis was proposed by retired University of Arizona ecologist Paul Martin in 1967 and its basic arguments haven't changed since. It claims large mammal extinctions occurred 11,...
Scientists uncover the exact mode of action of five antibiotic drugs
...structure of the ribosome a notoriously unstable, giant
nucleoprotein complex had challenged scientists for years. Using their extensive understanding of ribosomal structure, Prof. Ada Yonath, Dr. Anat Bashan and Ph.D. Student Raz Zarivach, decided to examine how different antibiotics bind to the ribosom...
University of Ulster spearheads giant leap forward in medicine
...ican Running Frog produces a venom which paralyses giant
insects which prey on it. Peptides from the venom ...y treatment. Professor Shaw said: "This could be a giant
leap forward for medicine. We can use the biological weaponry evolved in the frogs venom to fight ag...
New fossils suggest whales and hippos are close kin
...rsy over the origin of whales, confirming that the giant
sea creatures evolved from early ancestors of sheep, deer and hippopotami and suggesting that hippos may be the closest living relatives of whales. The new finds, reported in the Sept. 21 issue of the journal Science, are the first and only specimen...
Magazine article by Rutgers researcher details revival of life after deep-sea volcanic eruption
...rs hoped to study. Many of the creatures, such as giant
tube worms, clams and fish, were instantly incinerated by lava. In the article, Lutz details how he led a series of return trips over a nine-year period that shocked the scientific world: Not only did the researchers find new geological formations t...
Electronic tags reveal transatlantic migrations and breeding grounds of Atlantic bluefin tuna
...ns of what they believe to be breeding behavior in giant
tunas. Most surprising is that the spawning period... recorded by the electronic tags suggests that the giant
tunas breed at night in very warm waters, swimming up and down in the water column for hours. In day...
Cover story in Science reveals historical overkill of marine Megafauna triggered current ocean crises
...gongs, monk seals, sea turtles, swordfish, sharks, giant
codfish and raysfrom overfishing at a global scale...erra Australia. "On the land, as we killed off the giant
mammals and destroyed the ancient forests, we replaced them with a new suite of farmed species. In t...
BioMed Central is pleased to announce the publication of Sydney Brenners autobiography
...ith BioMed Central ( www.biomedcentral.com ). A giant
of modern biology, Sydney has contributed enormously to the fields of molecular and developmental biology over the past 50 years. Famously, he identified and named 'messenger RNA', which is crucial for converting the genetic code of DNA into protein...
GIS, bioinformatics collaborations offer promising new perspectives
... isnt entirely new. Software companies such as GIS giant
ESRI and Jacquezs TerraSeer have for some time marketed software for health and natural resources applications. Representatives of both companies were in attendance, however, to survey some of academes first steps into a new area. They also shared pe...
Humans hunted mammals to extinction in North America
(Santa Barbara, Calif.) Woolly mammoths, giant
armadillos and three species of camels were among ...ons three types of ground sloths glyptodonts giant
armadillos several species of horses four species of pronghorn antelopes three species of came...
Penn paleontologists locate a new genus of colossal dinosaur along an ancient coastline
... the discoverer of Paralititan, estimates that the giant
four-legged beast may have measured 80 to 100 feet long and weighed 60 to 70 tons. As a huge dinosaur that was apparently traipsing through an ancient mangrove forest, Paralititan breaks significant new ground for paleontologists. "While now arid,...
UT Southwestern researchers show tumor-suppressor genes linked to insulin signaling
...the flies. The tubers of TSC patients also contain giant
cells. One of the hormone-mediated pathways that play a role in cellular growth involves insulin. Understanding how cellular growth is controlled will ultimately lead to a better understanding of cancer. Given the link between the TSC genes and insul...
Welch honors Kornberg for insights into DNA transcription
... its role in gene regulation. He also discovered a giant
complex of 20 proteins known as the Mediator, which regulates the transcription process. Most recently, he determined the atomic structure of RNA Polymerase II the complex enzyme that catalyzes the transcription process and is considered one of the ...
Rutgers awarded $2 million NSF grant for documentary IMAX film on exotic life at ocean's hydrothermal vents
...or the first time in high-resolution format -- the giant
tube worms and other exotic life forms found near the ocean floor's boiling hot hydrothermal vents....
New technique illuminates events obscured in the geologic record
... In yet another example, Zinsmeister shows how a giant
form of another type of mollusk, known as an ammon...ditional techniques, one wouldn't distinguish this giant
ammonite occurrence from the others," he says. "But when you see it graphically, you can see that th...
So just how many genes do we have?
...he genome sequencers have led us to believe "ONE giant
leap for humility". "We're nothing special". "Scientists find only half as many genes as expected". These are some of the headlines that appeared after papers on the draft genome were published in February. Both the public and private projects estima...
New report finds half of world's protected nature reserves heavily farmed as hunger runs rampant in biodiversity "hotspots"
...ure Reserve, established to protect the endangered giant
panda bear, more panda habitat has been destroyed inside than outside the protected area as a rapidly expanding human population has turned forests into farms. In Central Africa, habitat destruction and poaching has reduced the population of end...
First dinosaur found with its body covering intact; displays primitive feathers from head to toe
...nosaurs may have looked more like weird birds than giant
lizards. Entombed in two slabs of fine-grained rock, the dinosaurs skeleton resembles that of a large duck with a long tail and an oversized head (indicating that the animal was a juvenile). A small fish is embedded in the rock near its left foot. ...
Scientists determine how chemistry keeps weird worms "out of hot water" at steaming deep-sea vents
...e tubeworm (Riftia pachyptila), which looks like a giant
lipstick and can grow to 9 feet tall, and the hairy, 5-inch Pompeii worm (Alvinella pompejana), which currently holds the record as the "hottest" animal on Earth. The tubeworm lives on the seafloor near hydrothermal vents. It has no eyes, mouth or st...
Panda habitat not protected by nature reserve, say Science researchers
...uced to about 700 people by the year 2047, and the giant
panda habitat would recover and then increase by s...ins about 10 percent of the world's remaining wild giant
panda population, and is the birthplace of Mei Xiang and Tian Tian, the much-celebrated pandas on lo...
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