Study shows cultural flow may be slower than genetic divergence
Scientists discover 600 million-year-old origins of vision
By studying the hydra, a member of an ancient group of sea creatures that is still flourishing, scientists at UC Santa Barbara have made a discovery in understanding the origins of human vision. The finding ...
Chemists find new compounds to curb staph infection
(Phys.org) —In an age when microbial pathogens are growing increasingly resistant to the conventional antibiotics used to tamp down infection, a team of Wisconsin scientists has synthesized a potent new ...
Greenhouse gas level highest in two million years, NOAA reports (Update 2)
Worldwide levels of the greenhouse gas that plays the biggest role in global warming have reached their highest level in almost 2 million years—an amount never before encountered by humans, U.S. scientists ...
Smoke signals: How burning plants tell seeds to rise from the ashes
In the spring following a forest fire, trees that survived the blaze explode in new growth and plants sprout in abundance from the scorched earth. For centuries, it was a mystery how seeds, some long dormant ...
Asymmetry of human brain enhances cognition compared to other primates
(Phys.org) —New research shows that the human brain has higher levels of asymmetry than chimpanzees. This may be what elevates our cognition above that of other primates, according to the paper published ...
Study finds sighted babies of blind mothers find other ways to bond
Bioinspired material mimics squid beak
(Phys.org) —Researchers led by scientists at Case Western Reserve University have turned to an unlikely model to make medical devices safer and more comfortable—a squid's beak.
When leaving your wealth to your sister's children makes sense
In most human societies, men pass on their worldly goods to their wife's children. But in about ten percent of societies, men transfer their wealth to their sister's sons, a process called matrilineal inheritance. A new study ...
Killing cancer cells with acid reflux
A University of Central Florida chemist has come up with a unique way to kill certain cancer cells – give them acid reflux.
Song sparrows escalate territorial threats (w/ Video)
Territorial song sparrows use increasingly threatening signals to ward off trespassing rivals. First an early warning that matches the intruder's song, then wing waving – a bird's version of "flipping the bird" – as the ...
Discovery opens door for better way of making medicine
(Phys.org)—To make most medicines, metals like copper are needed for a critical chemical reaction.
Study finds women prefer perfumes that mimic their immune system cells
'Trust' provides answer to handaxe enigma
Trust rather than lust is at the heart of the attention to detail and finely made form of handaxes from around 1.7 million years ago, according to a University of York researcher.