Low oxygen triggers moth molt
A new explanation for one of nature's most mysterious processes, the transformation of caterpillars into moths or butterflies, might best be described as breathless.
Blainville’s beaked whales go silent at the surface
New research proves parrot chicks learn their names from parents
Overturning 250 years of scientific theory: Age, repeated injury do not affect newt regeneration
(PhysOrg.com) -- Scientists have been wrong for 250 years about a fundamental aspect of tissue regeneration, according to a University of Dayton biologist who says his recent discovery is good news for humans.
Predatory fish have large guts to help them through famine
Sexual reproduction works thanks to ever-evolving host, parasite relationships: study
(PhysOrg.com) -- It seems we may have parasites to thank for the existence of sex as we know it. Indiana University biologists have found that, although sexual reproduction between two individuals is costly ...
Mushroom lights up the night in Brazil: Researcher finds bioluminescent fungus not seen since 1840
In 1840, renowned English botanist George Gardner reported a strange sight from the streets of Vila de Natividade in Brazil: A group of boys playing with a glowing object that turned out to be a luminescent ...
Being small has its advantages, if you are a leaf
(PhysOrg.com) -- The size of leaves can vary by a factor of 1,000 across plant species, but until now, the reason why has remained a mystery. A new study by an international team of scientists led by UCLA ...
Rhesus monkeys have a form of self awareness not previously attributed to them
In the first study of its kind in an animal species that has not passed a critical test of self-recognition, cognitive psychologist Justin J. Couchman of the University at Buffalo has demonstrated that rhesus ...
Papuan weevil has screw-in legs
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 ...
Finches use their own form of grammar in their tweets
Two ground-nesting birds eavesdrop on chipmunk chatter to find safe neighborhoods
(PhysOrg.com) -- Ground-nesting birds face an uphill struggle to successfully rear their young, with many eggs and chicks falling prey to predators.
Researchers track the secret lives of feral and free-roaming house cats
Researchers (and some cat-owners) wanted to know: What do feral and free-roaming house cats do when they're out of sight? A two-year study offers a first look at the daily lives of these feline paupers and ...