Wednesday, October 29, 2008

Taking Wing: Uncovering the Evolutionary Origins of Bats

Scientific American
Taking Wing: Uncovering the Evolutionary Origins of Bats
Scientific American - USA
And in fact, experts generally agree that bats probably evolved from an arboreal, gliding ancestor. But among mammals, bats alone are capable of powered ...

Friday, October 10, 2008

Pathogens & People: Pathogens, as with people, come in all shapes ...

Pathogens & People: Pathogens, as with people, come in all shapes ...
Annapolis Capital - Annapolis,MD,USA
Some of these organelles, such as the energy-producing mitochondria or plant chloroplasts responsible for photosynthesis, probably evolved from primitive ...

Tuesday, September 23, 2008

New Ant Species Discovered In The Amazon Likely Represents Oldest ...

New Ant Species Discovered In The Amazon Likely Represents Oldest ...
Science Daily (press release) - USA
They probably evolved quickly into many different lineages, with ants specializing to lives in the soil, leaf-litter or trees, or becoming generalists. ...

In the fly, delayed reproduction also delays aging

In the fly, delayed reproduction also delays aging
Methuselah Foundation - Washington,DC,USA
Hence whales live long enough to help out their grandchildren, and the long lifespans of certain sessile species probably evolved because young organisms ...

Hot chillis evolved to kill fungi

Hot chillis evolved to kill fungi

Chemistry World - London,UK
They're just one example of the various pungent, bitter, or even toxic chemicals found in many types of fruits - probably evolved by plants to ward off ...


Wednesday, August 6, 2008

'Green' potato has toxin, can be cut out

'Green' potato has toxin, can be cut out
United Press International - USA
Glycoalkaloids are a naturally occurring toxic substance in potatoes that have anti-microbial, insecticidal and fungicidal properties which probably evolved ...

Fang/venom gland

Fang/venom gland
ScienceBlogs - USA
The fang/venom gland complex probably evolved once in the common ancestor of these groups, but the elapids and vipers independently stumbled on a secondary ...

Evolution, Life Sciences, Science Education, Human Evolution, and ...

Evolution, Life Sciences, Science Education, Human Evolution, and ...
ScienceBlogs - USA
Frog The Major Histocampatibility Complex (MHC) is an adaptive feature of the immune system that probably evolved in basal tetrapods. ...

Armor tips from a scaly era

Armor tips from a scaly era
Boston Globe - United States
The team discovered that the armored fish scales were lightweight and flexible, composed of four layers of different materials, and probably evolved to ...

Thursday, July 24, 2008

Evolution, Life Sciences, Science Education, Human Evolution, and ...

Evolution, Life Sciences, Science Education, Human Evolution, and ...
ScienceBlogs - USA
"Imprinting" can happen through more than one mechanism, and as far as I know, at least one of these mechanisms has other functions and probably evolved ...

Saturday, July 19, 2008

Grunting, humming fish joins ancient chorus

Grunting, humming fish joins ancient chorus
Scientific American - USA
Of course, the instruments being played by these brain cells—swim bladders in fish; the larynx in mammals—probably evolved independently. ...

Saturday, July 5, 2008

Humans wore shoes 40000 years ago, fossil suggests

Humans wore shoes 40000 years ago, fossil suggests

Kazinform - Astana,Kazakhstan
The first forms of protective footwear probably evolved from simple wrappings used to insulate the feet from snow and freezing temperatures, experts say. ...

Facial Expressions Provide an Evolutionary Boost

Facial Expressions Provide an Evolutionary Boost

Discover Magazine - New York,NY,USA
... that even though facial expressions are useful socially, they probably evolved first as a way to improve sensory perceptions at a time of crisis. ...

Fossil helps document shift from sea to land

Fossil helps document shift from sea to land

Science News - USA
The earliest tetrapods probably evolved between 5 million and 7 million years before Tiktaalik, he notes, and the new fossils will help researchers predict ...

Acceleration leads to dragon lizards’ bipedalism, research suggests

Acceleration leads to dragon lizards' bipedalism, research suggests

Milwaukee Journal Sentinel - Milwaukee,WI,USA
"It's likely that dinosaurs probably evolved bipedalism in the same way as these lizards," Clemente said, "and if you're not using your front legs anymore, ...

Bellbirds strike an optimistic note with adaptive behaviour

Bellbirds strike an optimistic note with adaptive behaviour

TV3 News - Auckland,New Zealand

... relevant time-scale of years and not centuries." The behavioural shift had probably evolved within the past 700 years, after the first rats arrived.