You are looking for
Advanced search
How Do New Organs Evolve? A Beetle Gland Shows the Way.
...another, locked in a cycle of mutual dependence. The coevolution that the researchers observed in the beetle gland could be “a kind of paradigm for functional evolution of organs in...
Neither Star nor Planet: A Strange Brown Dwarf Puzzles Astronomers
...for that to happen, and at what point a brown dwarf becomes a star. “There’s a lot of aspects of stellar evolution that our knowledge is still pretty uncertain on,”...
Mating Contests Among Females, Long Ignored, May Shape Evolution
...to woo a reluctant female. Such competitions between males for the favor of choosy females are enshrined in evolutionary theory as “sexual selection,” with the females’ choices molding the evolution...
The Computer Scientist Training AI to Think With Analogies
...and Artificial Systems project, which will convene a series of interdisciplinary workshops over the next year examining how biological evolution, collective behavior (like that of social insects such as ants)...
DNA Has Four Bases. Some Viruses Swap in a Fifth.
...Baltimore County. “It really speaks to the adaptability of the genetic alphabet,” Romesberg said. Researchers have long been intrigued by the possibility that evolution could have gone in a different...
‘Social’ Mitochondria, Whispering Between Cells, Influence Health
...remember that sociality is a phenomenon with deep evolutionary roots. Bacteria are among the simplest of organisms, yet they exhibit remarkable community behaviors; they can act independently or together, communicating...
A Lack of COVID-19 Genomes Could Prolong the Pandemic
...laboratory work, but that isn’t the same as the virus’s rate of evolution, which depends on how quickly and successfully a mutation spreads throughout a population. The evolutionary rate is...
Secret Workings of Smell Receptors Revealed for First Time
...and discriminate among astronomical numbers of smells. It also sheds light on key principles of receptor activity that might have far-reaching implications — for the evolution of chemical perception, for...
DNA Jumps Between Animal Species. No One Knows How Often.
...an evolutionary genomicist at Reed College in Portland, Oregon, believes these cases of horizontal transfer still have “a pretty big wow factor” even among scientists, “because the conventional wisdom for...