Is there a homosexuality gene?
The evolution of intelligence, and why our brains have shrunk
Study finds facial expressions are inherited
New motor first to be powered by living bacteria
Evolution of Old World fruit flies on three continents mirrors climate change
Fast-warming climate appears to be triggering genetic changes in a species of fruit fly that is native to Europe and was introduced into North and South America about 25 years ago.
Uranium 'pearls' before slime
Since the discovery a little more than a decade ago of bacteria that chemically modify and neutralize toxic metals without apparent harm to themselves, scientists have wondered how on earth these microbes do ...
Ancient Global Warming Drove Early Primates' Dispersal
The continent-hopping habits of early primates have long puzzled scientists, and several scenarios have been proposed to explain how the first true members of the group appeared virtually simultaneously on Asia, Europe and ...
Scientists looking across human, fly and worm genomes find shared biology
Researchers analyzing human, fly, and worm genomes have found that these species have a number of key genomic processes in common, reflecting their shared ancestry. The findings, appearing Aug. 28, 2014, in ...
Evolutionary history of honeybees revealed by genomics
In a study published in Nature Genetics, researchers from Uppsala University present the first global analysis of genome variation in honeybees. The findings show a surprisingly high level of genetic divers ...
Bioengineers close to brewing opioid painkillers without using opium from poppies
For centuries poppy plants have been grown to provide opium, the compound from which morphine and other important medicines such as oxycodone are derived.
Hot-spring bacteria reveal ability to use far-red light for photosynthesis
Bacteria growing in near darkness use a previously unknown process for harvesting energy and producing oxygen from sunlight, a research team led by a Penn State University scientist has discovered. The discovery ...
How hummingbirds evolved to detect sweetness
Everything about hummingbirds is rapid. An iridescent blur to the human eye, their movements can be captured with clarity only by high-speed video.
Study shows snakes use more force than necessary when climbing trees
The ABC's of animal speech: Not so random after all
The calls of many animals, from whales to wolves, might contain more language-like structure than previously thought, according to study that raises new questions about the evolutionary origins of human language.