Computer simulation explains why zebras have stripes
Why the thumb of the right hand is on the left hand side
It is the concentration of a few signaling molecules that determines the fate of individual cells during the early development of organisms. In the renowned journal Current Biology, a team of molecular biologists led by Pia ...
DNA evidence is in, newly discovered species of fish dubbed H. psychedelica (Video)
(PhysOrg.com) -- "Psychedelica" seems the perfect name for a species of fish that is a wild swirl of tan and peach zebra stripes and behaves in ways contrary to its brethren. So says University of Washington's ...
Telomere length in young zebra finches predicts lifespan
Researchers find similarities in the way birds and babies learn to 'talk'
Alien lionfish swarm N.C. coast
A handful of ravenous, venomous lionfish, a species native to the western Pacific, were spotted off North Carolina in 2000. Turns out they like it here. A lot.
Scientists use plasmonic nanobubbles in living organisms to detect, eliminate prostate cancer cells (w/ Video)
(PhysOrg.com) -- Rice University physicist Dmitri Lapotko has demonstrated that plasmonic nanobubbles, generated around gold nanoparticles with a laser pulse, can detect and destroy cancer cells in vivo by cre ...
Neurons work like a chain of dominos to control action sequences (w/ Video)
(PhysOrg.com) -- As anyone who as ever picked up a guitar or a tennis racket knows, precise timing is often an essential part of performing complex tasks. Now, by studying the brain circuits that control bird song, MIT researchers ...
Invisible invasive species
While Asian carp, gypsy moths and zebra mussels hog invasive-species headlines, many invisible invaders are altering ecosystems and flourishing outside of the limelight.
Biologists find birdsong of isolates reverts to norm over several generations (w/Audio)
In an experiment that points to a role for genetics in the development of culture, biologists at The City College of New York (CCNY) and Cold Spring Harbor Laboratory (CSHL) have discovered that zebra finches raised in isolation ...
Attractive dads have more grandchildren
(PhysOrg.com) -- A study of zebra finches has shown that males' attractiveness influences the number and size of eggs their daughters produce not genetically but through the effect of their attractiveness on their ...
Researchers study 'fundamental, amazing change' in Great Lakes (w/ Video)
(PhysOrg.com) -- The Great Lakes are in the midst of a remarkable ecological transformation, driven largely by the blitzkrieg advance of two closely related species of non-native mussels.
MicroRNAs in the songbird brain respond to new songs (w/ video)
Whenever it hears an unfamiliar song from a bird of the same species, a zebra finch stops chirping, hopping and grooming. It listens attentively for minutes at a time, occasionally cocking its head but otherwise ...
Chemical-munching mussels contaminating Great Lakes
Zebra mussels from the Caspian Sea, introduced to North America by accident, are becoming a veritable plague releasing toxic chemicals into the Great Lakes, Canadian biologists say.