Evolved illusion—blackest black gives bird of paradise an edge
The mating display of the male bird of paradise owes its optical extravagance to a background so black it is the envy of telescope and solar panel engineers, according to a new study published Jan. 9...
View ArticleA 508-million-year-old sea predator with a 'jackknife' head
Paleontologists at the University of Toronto (U of T) and the Royal Ontario Museum (ROM) in Toronto have entirely revisited a tiny yet exceptionally fierce ancient sea creature called Habelia optata...
View ArticleMysterious new seafloor species sheds light on early animal evolution
Japanese researchers have discovered a new species of the enigmatic marine worm Xenoturbella, which they have named Xenoturbella japonica, as reported in a new study published in BMC Evolutionary Biology.
View ArticleGenetic mutation explains the origin of some human organs
A neutral genetic mutation—a fluke in the evolutionary process that had no apparent biological purpose—that appeared over 700 million years ago in biological evolution could help explain the origin of...
View ArticleAnimation meets biology—shedding new light on animal behaviour
Many animals rely on movement to find prey and avoid predators. Movement is also an essential component of the territorial displays of lizards, comprising tail, limb, head and whole-body movements.
View ArticleBiologists discovered the pathwaysof groups of the lophophore
Scientists from Moscow State University have proved that lophophorates - the invertebrates with special tentacular apparatus - are relatives. Scientists have examined some representatives of one of the...
View ArticleIt's mathematically impossible to beat aging, scientists say
Aging is a natural part of life, but that hasn't stopped people from embarking on efforts to stop the process.
View ArticleEvolutionary biology can help us understand how language works
As a linguist I dread the question, "what do you do?", because when I answer "I'm a linguist" the inevitable follow-up question is: "How many languages do you speak?" That, of course, is not the point....
View ArticleExperiments with bacteria show that genes can fuse together, leading to the...
All organisms must continuously adapt to their environment in order to survive. Such adaptation is brought about by changes in their genetic material. Together with colleagues from New Zealand, Paul...
View ArticleEpigenetics may explain how Darwin's finches respond to rapid environmental...
Epigenetics may explain how Darwin's finches respond to rapid environmental changes, according to new research published in the open access journal BMC Evolutionary Biology.
View ArticleOrange is the new green: How orange peels revived a Costa Rican forest
In the mid-1990s, 1,000 truckloads of orange peels and orange pulp were purposefully unloaded onto a barren pasture in a Costa Rican national park. Today, that area is covered in lush, vine-laden forest.
View ArticleAnimal coloration research: On the threshold of a new era
In the last 20 years, the field of animal coloration research has experienced explosive growth thanks to numerous technological advances, and it now stands on the threshold of a new era.
View ArticleUse of cognitive abilities to care for grandkids may have driven evolution of...
Instead of having more children, a grandmother may pass on her genes more successfully by using her cognitive abilities to directly or indirectly aid her existing children and grandchildren. Such an...
View ArticleGraduate research fellow investigates how fungi and fire enable pine savanna...
For most humans, fire symbolizes destruction and death. Yet nature often adapts to fire and can wield it as a creative force. For example, in the pine savannas of the southeastern U.S., fire acts as a...
View ArticleHow eggs got their shapes: Adaptations for flight may have driven egg-shape...
The evolution of the amniotic egg—complete with membrane and shell—was key to vertebrates leaving the oceans and colonizing the land and air. Now, 360 million years later, bird eggs come in all shapes...
View ArticleScientists demonstrate adaptation of animal vision in extreme environments
Cell biologists at the University of Toronto (U of T) have discovered animals can adapt their ability to see even with extreme changes in temperature.
View ArticleBee antennae offer links between the evolution of social behavior and...
As bees' social behavior evolved, their complex chemical communication systems evolved in concert, according to a study published online by the journal Proceedings of the National Academy of Sciences.
View Article'Teaching the controversy' is the best way to defend science, as long as...
The role of science in modern societies is complex. Science-based observations and innovations drive a range of economically important, as well as socially disruptive, technologies. A range of opinion...
View ArticleOngoing natural selection against damaging genetic mutations in humans
The survival of the human species in the face of high rates of genetic mutations has remained an important problem in evolutionary biology. While mutations provide a source of novelty for the species,...
View ArticleArchaeogeneticist pinpoints Indian population origins using today's populace
IN addition to its vast patchwork of languages, cultures and religions, the Indian Subcontinent also harbours huge genetic diversity. Where did its peoples originate? This is an area of huge...
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