Posts Tagged ‘mammals’
Why are insect and human brains so similar?
U. ARIZONA (US) / KING’S COLLEGE LONDON (UK) — Decision-making centers in the brains of insects and mammals share too many similarities to have evolved independently, a new study suggests. Continue…
Friday, April 12, 2013 11:22 - 6 Comments
Health & Medicine - Apr 5, 2013 8:28 - 0 Comments
Placenta may transmit mom’s stress
U. PENNSYLVANIA (US) — The placenta can translate a mother’s exposure to stress into an altered protein, which affects the brains of male and female offspring differently. (more…)
Science & Technology - Feb 5, 2013 16:10 - 0 Comments
How mole noses zero in on dinner
VANDERBILT (US) — Most mammals, including humans, see in stereo and hear in stereo. New research shows that the common mole relies on stereo sniffing to locate its prey. (more…)
Earth & Environment - Nov 13, 2012 11:21 - 0 Comments
For pandas, bamboo buffet may run short
MICHIGAN STATE (US) — China’s endangered wild pandas need bamboo to survive, but models show that climate change may kill it off in swaths. (more…)
Science & Technology - Nov 9, 2012 13:12 - 1 Comment
Cat fang fossils reveal overlap with bear dogs
U. MICHIGAN (US) — The fossilized fangs of saber-toothed cats hint at how the extinct mammals shared space and food with other large predators 9 million years ago. (more…)
Earth & Environment - May 16, 2012 11:44 - 3 Comments
Mammals may not get to cool climates in time
U. WASHINGTON (US) — Nine percent of the Western Hemisphere’s mammals—and up to 40 percent in some regions—may not be able to outpace climate change. (more…)
Science & Technology - May 3, 2012 13:41 - 1 Comment
Faster beasts evolve with larger eyeballs
U. TEXAS-AUSTIN (US) — After body size, a mammal’s running speed is the most important influence on the size of its eyes. (more…)
Science & Technology - Jan 31, 2012 12:11 - 16 Comments
Mouse to elephant in 24M generations
MONASH (AUS) — A new study says that it would take 24 million generations for a mouse-sized animal to evolve to the size of an elephant. (more…)
Science & Technology - Dec 28, 2011 11:05 - 1 Comment
Climate spurs 65M years of evolution
BROWN (US) — Climate change profoundly influenced the rise and fall of six distinct and successive waves of mammal diversity in North America over the last 65 million years, new research shows. (more…)
Science & Technology - Nov 11, 2011 13:48 - 0 Comments
Whiskers’ key role in reptile-mammal split
U. SHEFFIELD (US) — New research comparing rats and mice with marsupials suggests moveable whiskers were an important milestone in the evolution of mammals from reptiles. (more…)
Science & Technology - Sep 27, 2011 11:04 - 0 Comments
‘Invasion’ moved mammals from egg to womb
YALE (US) — More than 100 million years ago, genetic parasites invaded the mammalian genome, changing the uterus in the ancestors of humans and other mammals from egg producers to a home for developing young. (more…)
Top Stories - Aug 29, 2011 10:26 - 6 Comments
Preserve 4% of oceans to save mammals
STANFORD (US) — Set aside some carefully chosen marine preserves, and marine mammals such as otters and whales may survive the damage to the oceans caused by humans, a new study finds. (more…)
Science & Technology - Jun 28, 2011 12:40 - 1 Comment
How we chew: It’s all in the tongue
BROWN (US) — Beginning with early amphibians, mammals and fish took divergent evolutionary paths, using their tongue in different ways to chew and digest their food. (more…)
Science & Technology - May 19, 2011 14:55 - 0 Comments
Big brains gave mammals strong sniffers
U. TEXAS-AUSTIN (US) — Scientists used CT scans to reconstruct the brains of two early mammals and discovered that they had larger-than-expected brains, particularly in the area for smell. (more…)
Health & Medicine - Jul 6, 2010 14:11 - 1 Comment
Lethal ‘fossil’ viruses lurk in marsupials
U. BUFFALO (US)—Wallabies may be cute, but they harbor a “fossil” copy of a gene that codes for filoviruses, which cause Ebola and Marburg hemorrhagic fevers and are the most lethal viruses known to humans. (more…)
Science & Technology - Jun 3, 2009 15:32 - 0 Comments
Dark, balmy Arctic home to ancient mammals
U. COLORADO (US)—Mammals living above the Arctic Circle 53 million years ago endured six months of darkness each year—but in a far milder climate than today, according to a new study by the University of Colorado at Boulder. The findings hint to how modern mammals might migrate if the global climate continues to warm. (more…)
