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U of S-led team unlocks link between sex and the female brain
An international team of scientists led by Gregg Adams at the University of Saskatchewan has discovered that a protein in semen acts on the female brain to prompt ovulation, and is the same molecule that regulates the growth, maintenance, and survival of nerve cells. (2012-08-20)
Disaster map predicts bleak future for mammals
Mammals could be at a greater risk of extinction due to predicted increases in extreme weather conditions, states a paper published today by the Zoological Society of London. (2012-12-13)
Nevada researcher re-ignites mammal reproduction debate
One of the most debated hypotheses in evolutionary biology received new support today, thanks to a study by a scientist at the University of Nevada, Reno. (2004-08-23)
The overlooked commotion of particle motion in the ocean
In response, researchers from the universities of Exeter, Bristol and Leiden and CEFAS have developed a user-friendly introduction to particle motion, explaining how and when it ought to be measured, and provide open-access analytical tools to maximize its uptake. (2016-03-01)
Detective work across dingo fence reveals new factor in woody shrub invasion
Extermination of dingoes and the consequent loss of small mammals -- not just overgrazing by livestock -- have led to a rapid spread of woody shrubs across semi-arid Australia, a new study shows. (2016-12-04)
Rapid Arctic warming drives shifts in marine mammals, new research shows
New hydrophone surveys of migration gateways to the Arctic show that recent extremes in sea ice loss has opened new waters to humpback and fin whales that once ranged through the far north only in summer. (2015-12-14)
Naked mole rats may hold clues to surviving stroke
Naked mole-rats can withstand brain oxygen deprivation for more than 30 minutes -- more than any other mammal. (2009-11-30)
Too good eyes for living below ground
A German-Czech research team has discovered an unusual assortment of photoreceptor cells in subterranean rodents. (2004-04-05)
Lampreys provide hints to ancient immune cells
Lampreys have immune cells that resemble gamma delta T cells from mammals, birds and fish, researchers have found. (2013-08-12)
Handful of genetic changes led to huge changes to human brain
Changes to just three genetic letters among billions led to evolution and development of the mammalian motor sensory network, and laid the groundwork for the defining characteristics of the human brain, Yale University researchers report. (2012-05-30)
Anthropologist predicts major threat to species within 50 years
If the world's human population continues to rise at its current rate, the planet will increase the numbers of threatened species at least 7 percent worldwide in the next 20 years and twice that many by the year 2050. (2003-06-09)
New biodiversity map of the Andes shows species in dire need of protection
A new study published in BioMed Central's open-access journal BMC Ecology has used information collected over the last 100 years by explorers, and from satellite images, which reveals detailed patterns of species and ecosystems that occur only in Andes-Amazon basin of Peru and Bolivia. (2012-01-26)
Holes in fossil bones reveal dinosaur activity
New research from the University of Adelaide has added to the debate about whether dinosaurs were cold-blooded and sluggish or warm-blooded and active. (2011-07-08)
Research suggests terror bird's beak was worse than its bite
Analysis of fossilized remains of the two meter tall terror bird (Gastornis) indicate that was unlikely to have been a carnivore. (2013-08-29)
When vertebrae cross dress: How sloths got their long neck
By examining the development of bones in the vertebral column, limbs and ribcage, scientists at the University of Cambridge have discovered how sloths evolved their unique neck skeleton. (2010-10-18)
How do you mend a broken heart?
Mammalian hearts regenerate using cardiac extracellular matrices of zebrafish. (2016-11-22)
Humans identify emotions in the voices of all air-breathing vertebrates
Amphibians, reptiles, mammals -- all of them communicate via acoustic signals. (2017-07-26)
The Marine Mammal Center begins new leptospirosis study in California
The Marine Mammal Center has seen an increase in leptospirosis cases in sea lions this year. (2008-10-22)
Why cats are seXY
Call a man a tomcat, and you may be more right than you know. (1999-12-27)
Warm-bloodedness possibly much older than previously thought
Warm-bloodedness in land animals could have developed in evolution much earlier than previously thought. (2017-05-18)
New Areas Of High Biological Diversity Discovered
Attractive animals have been studied in more detail than lower orders of animals. (1999-05-20)
Deciphering the olfactory receptor code
In animals, numerous behaviors are governed by the olfactory perception of their surrounding world. (2015-08-31)
High-tech analysis of proto-mammal fossil clarifies the mammalian family tree
A new analysis of the jaw of one of the earliest known proto-mammals sheds light on efforts to accurately date the period when mammals first evolved and clarifies the mammalian family tree. (2015-11-16)
Old, large, living trees must be left standing to protect nesting animals: UBC study
Old trees must be protected to save the homes of more than 1,000 different bird and mammal species who nest, says a new study from the University of British Columbia. (2011-06-16)
Unlike other mammals, newborn dolphins and orcas stay active 24/7 during first months of development
A study led by UCLA researchers and published in the upcoming edition of Nature finds that unlike other mammals, newborn dolphins and killer whales remain awake and active 24/7 during the first weeks of life when critical development takes place. (2005-06-29)
Scientists Devise Method To Address Conflict Between Molecular Clock, Fossil Record Of Mammalian Evolution
Humans can trace the origins of many of their mammalian relatives back either 65 million years or 130 million years, depending on which scientists they choose to trust. (1999-02-26)
The protective brain hypothesis is confirmed
An international team led by researchers from CREAF and CSIC has analyzed 493 species of mammals to confirm that animals with the largest brains live for longer. (2010-07-16)
Past climate change effects on mammals may mirror global warming impact
A thousands-of-years-old peek at the effects of climate change on small mammals in the western United States may provide a snapshot of the future impact of global warming on animal populations. (2000-01-09)
Paleontologists discover new mammal from Mesozoic Era
An international team of American and Chinese paleontologists has discovered a new species of mammal that lived 125 million years ago during the Mesozoic Era, in what is now the Hebei Province in China. (2007-03-14)
Brain folding
Programs that control the production of neurons during brain development determine how the brain folds. (2014-12-01)
Monitoring baleen whales with autonomous underwater vehicles
Like robots of the deep, autonomous underwater vehicles, or AUVs, are growing in number and use in the oceans to perform scientific missions ranging from monitoring climate change to mapping the deep sea floor and surveying ancient shipwrecks. (2006-02-21)
Bushmeat hunting threatens mammal populations and ecosystems, poses food security threat
The ongoing decline of more than 300 species of animals is having significant environmental impacts and posing a food security threat for millions of people in Asia, Africa and South America, according to the first global assessment of the hunting and trapping of terrestrial mammals. (2016-10-18)
Typhoid Mary, not typhoid mouse
The bacterium Salmonella typhi causes typhoid fever in humans, but leaves other mammals unaffected. (2014-12-04)
Are red imported fire ants all bad?
Red imported fire ants have earned a justifiably bad rap across the south and most Texans would be hard put to name a single redeeming quality the ants have. (2016-10-04)
Naming evolution's winners and losers
Mammals and many species of birds and fish are among (2009-07-28)
Diversity aided mammals' survival over deep time
The first study of how mammals in North America adapted to climate change in (2012-04-23)
Wildlife Conservation Society supports world's first study of egg-laying mammal
A Wildlife Conservation Society research intern working in the wilds of Papua New Guinea has successfully completed what many other field biologists considered (2009-06-09)
Madagascar: Fossil skull analysis offers clue to mammals' evolution
The surprise discovery of the fossilized skull of a 66- to 70-million-year-old, groundhog-like creature on Madagascar has led to new analyses of the lifestyle of the largest known mammal of its time by a team of specialists including biologist Elizabeth Dumont at the University of Massachusetts Amherst, an expert in jaw structure and bite mechanics. (2014-11-05)
Evolution of genomic imprinting
How we come to express the genes of one parent over the other is now better understood and it doesn't seem to have originated in association with sex chromosomes. (2007-09-06)
The reindeer and the mammoth already lived on the Iberian Peninsula 150,000 years ago
A team made up of members of the University of Oviedo and the Complutense University of Madrid have gathered together all findings of the woolly mammoth, the woolly rhinoceros and the reindeer in the Iberian Peninsula to show that, although in small numbers, these big mammals, prehistoric indicators of cold climates, already lived in this territory some 150,000 years ago. (2010-09-07)
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