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Mammals Current Events

Mammals Current Events, Mammals News Articles.
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Does missing gene point to nocturnal existence for early mammals?
A gene that makes cells in the eye receptive to light is missing in humans, researchers have discovered. (2006-10-11)
Addressing feral cats' diet may help protect native species
Because reducing the impacts of feral cats -- domestic cats that have returned to the wild -- is a priority for conservation efforts across the globe, a research team recently reviewed the animals' diet across Australia and its territorial islands to help consider how they might best be managed. (2015-02-02)
Researchers find our inner reptile hearts
Researchers have finally succeeded in showing that the spongy tissue in reptile hearts is the forerunner of the complex hearts of both birds and mammals. (2012-09-14)
Surprising link between body size and extinction risk
Most of the Australian mammals that have gone extinct in the last 200 years were medium sized, and many biologists believe that this somehow predisposed them to extinction. (2001-09-20)
Mammals began their takeover long before the death of the dinosaurs
A new study refutes the traditional hypothesis that mammals took a backseat to dinosaurs and then got the opportunity to diversify when dinosaurs went extinct. (2016-06-07)
Size of mammals exploded after dinosaur extinction
Researchers have demonstrated that the extinction of dinosaurs 65 million years ago made way for mammals to get bigger -- about a thousand times bigger than they had been, as well as confirming the dramatic growth in mammalian size after the dinosaurs. (2010-11-25)
Mammals diversified only after dinosaur extinction left space
Humans' early mammal relatives likely diversified 66 million years ago, after the extinction of dinosaurs opened up space for animals such as big cats, horses, elephants and eventually apes to evolve. (2016-07-04)
For bats and dolphins, hearing gene prestin adapted for echolocation
In a new study published in the advanced online edition of Molecular Biology and Evolution, Peng Shi, et al., have shown that prestin has also independently evolved to play a critical role in the ultrasonic hearing range of animal sonar, or echolocation, to help dolphins navigate through murky waters or bats find food in the dark. (2014-08-01)
Reptiles share sleep patterns with mammals and birds after all
A new study reveals that the sleep patterns previously thought exclusive to mammals and birds -- REM and slow-wave sleep patterns -- are also found in reptiles. (2016-04-28)
Mammals shrink at faster rates than they grow
Research published in the journal Proceedings of the National Academy of Sciences shows it took about 10 million generations for terrestrial mammals to hit their maximum mass: that's about the size of a cat evolving into the size of an elephant. (2012-01-30)
Oxygen increase caused mammals to triumph, researchers say
The first, high resolution continuous record of oxygen concentration in the earth's atmosphere shows that a sharp rise in oxygen about 50 million years ago gave mammals the evolutionary boost they needed to dominate the planet, according to Paul Falkowski, Rutgers professor of marine science and lead author of a paper published Sept. (2005-09-29)
When animals evolve on islands, size doesn't matter
A theory explaining the evolution of giant rodents, miniature elephants, and even miniature humans on islands has been called into question by new research published today in Proceedings of the Royal Society B: Biological Sciences. (2007-11-06)
Yale researchers find environmental toxins disruptive to hearing in mammals
Yale School of Medicine researchers have new data showing chloride ions are critical to hearing in mammals, which builds on previous research showing a chemical used to keep barnacles off boats might disrupt the balance of these ions in ear cells. (2006-04-11)
Chemical used in marine paint may damage hearing in whales
A toxic chemical painted on the bottom of large vessels to protect against barnacles may cause hearing difficulties in whales and other mammals. (2005-01-27)
Early mammals used pelvic bones to trot, study finds
Scientists studying the earliest mammals have been stumped for centuries about the function of two pelvic bones found in the fossil record that most mammals don't have today. (2003-01-16)
Not so fast: Differences in the first embryonic cell lineage decision of mammals
In fact, this work shows that the animals most commonly used by scientists to study mammalian genetics -- mice -- develop unusually quickly and may not always be representative of embryonic development in other mammals. (2011-02-14)
Asteroid that wiped out dinosaurs may have nearly knocked off mammals, too
The classic story is that mammals rose to dominance after the dinosaurs went extinct, but a new study shows that some of the most common mammals living alongside dinosaurs, the metatherians, extinct relatives of living marsupials, were also nearly wiped out when an asteroid hit the planet 66 million years ago. (2014-12-17)
New research explores the effect of winter dormancy on cold-blooded cognition
Unlike mammals, amphibians who rest up during the winter do not forget the memories they made beforehand -- this is the surprising discovery of new scientific research. (2017-01-12)
How chewing like a cow helped early mammals thrive
In a paper published March 21, 2017, in Scientific Reports, David Grossnickle, a graduate student in the Committee on Evolutionary Biology at the University of Chicago, proposes that mammal teeth, jaw bones and muscles evolved to produce side-to-side motions of the jaw, or yaw, that allowed our earliest ancestors to grind food with their molars and eat a more diversified diet. (2017-03-23)
Our ancestors evolved faster after dinosaur extinction
Our ancestors evolved three times faster in the 10 million years after the extinction of the dinosaurs than in the previous 80 million years, according to UCL researchers. (2016-06-28)
A horse's eye view: does a pony see what we see?
Horses, humans, and other mammals see the world similarly in spite of differing evolutionary processes, study finds. (2015-11-27)
New study shows effects of prehistoric nocturnal life on mammalian vision
A new anthropology study from UT-Austin is the first to provide a large-scale body of evidence for the (2012-10-31)
Early mammal varieties declined as flowering plants radiated
The dramatic explosion of flowering plant species that occurred about 100 million years ago was thought to have been good news for evolving mammals, providing them with new options for food and habitat. (2013-10-02)
NOAA, partners: Testing detects algal toxins in Alaska marine mammals
Toxins from harmful algae are present in Alaskan marine food webs in high enough concentrations to be detected in marine mammals such as whales, walruses, sea lions, seals, porpoises and sea otters, according to new research from NOAA and its federal, state, local and academic partners. (2016-02-11)
Mammal diversity exploded immediately after dinosaur extinction
The diversity of mammals on Earth exploded straight after the dinosaur extinction event, according to UCL researchers. (2015-12-21)
Will changes in climate wipe out mammals in Arctic and sub-Arctic areas?
The climate changes depicted by climatologists up to the year 2080 will benefit most mammals that live in northern Europe's Arctic and sub-Arctic land areas today if they are able to reach their new climatic ranges. (2013-01-14)
Platypus genome sequence published
UK-based researchers at the Medical Research Council Functional Genomics Unit in Oxford and the European Molecular Biology Laboratory's European Bioinformatics Institute in Cambridge have revealed the genetic makeup of the one of the world's strangest mammals. (2008-05-07)
New explanation for a puzzling biological divide along the Malay Peninsula
More than 58 rapid sea level rises in the last five million years could account for an apparently abrupt switch in the kinds in of mammals found along the Malay Peninsula in southeast Asia -- from mainland species to island species -- in the absence of any geographical barrier, ecologists say. (2009-03-05)
Malaria family tree has bird roots
Extensive testing of malarial DNA found in birds, bats and other small mammals from five East African countries revealed that malaria has its roots in bird hosts. (2016-03-24)
New evidence for warm-blooded dinosaurs
University of Adelaide research has shown new evidence that dinosaurs were warm-blooded like birds and mammals, not cold-blooded like reptiles as commonly believed. (2013-07-18)
Just what the vet ordered
Recently, the Office of Naval Research provided funding to identify major infectious threats to wild and semi- domesticated dolphins and sea lions, to construct new plasmid vaccines that might stem epidemic disease, and to develop ways of measuring immune responses to these new vaccines. (2001-06-26)
Female mammals follow their noses to the right mates
Historically, most examples of female mate choice and its evolutionary consequences are found in birds. (2009-03-17)
Logged rainforests can be an 'ark' for mammals, extensive study shows
Research reveals that large areas of 'degraded' forest in Southeast Asia can play an important role in conserving mammal diversity. (2016-08-22)
Jurassic Welsh mammals were picky eaters, study finds
New analyses of tiny fossil mammals from South Wales are shedding light on the function and diets of our earliest ancestors, a team led by researchers from the Universities of Bristol and Leicester report today in the journal Nature. (2014-08-20)
Study shows how diving mammals evolved underwater endurance
Scientists at the University of Liverpool have shed new light on how diving mammals, such as the sperm whale, have evolved to survive for long periods underwater without breathing. (2013-06-13)
Jurassic saw fastest mammal evolution
Mammals were evolving up to 10 times faster in the middle of the Jurassic than they were at the end of the period, coinciding with an explosion of new adaptations, new research shows. (2015-07-16)
Mammal-like reptile survived much longer than thought
Researchers have uncovered dozens of fossilized teeth in Kuwajima, Japan, and identified this as a new species of tritylodontid, an animal family that links the evolution of mammals from reptiles. (2016-04-24)
Mammal testing could be cut by moth larvae
The number of mammals used in animal testing could be cut dramatically and replaced with moth larvae. (2017-01-23)
A secret ingredient to help heal spinal cord injuries?
Researchers have identified a protein in zebrafish that facilitates healing of major spinal cord injuries. (2016-11-03)
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