Mars gullies likely not formed by liquid water
The highly incised gullies on the eastern rim of the 150 km × 125 km Hale crater (located at 35.7°S, 323.4°E) as seen in...
Britain’s last hunter-gatherers discovered using breakthrough analysis of bone fragments
Selection of bone fragments from the Cnoc Coig assemblage used within this research; highlighting the range of sizes, elements and preservation. From top, L-R,...
Earth interacted with supernova remnants for 1 million years
Supernova remnant. When massive stars with more than ten solar masses have, at the end of their evolution, consumed all of their nuclear fuel...
Textbook story of how humans populated America is ‘biologically unviable,’ study finds
Map outlining the opening of the human migration routes in North America revealed by the results presented in this study.Credit: Courtesy of Mikkel Winther...
College students who misuse stimulants more likely to have ADHD, substance-use disorder
A new study by Massachusetts General Hospital (MGH) investigators finds that college students who misuse stimulant drugs are more likely to have attention-deficit hyperactivity...
Unsafe levels of toxic chemicals found in drinking water for six million Americans
Image Credit: © Steve Johnson/Flickr
Levels of a widely used class of industrial chemicals linked with cancer and other health problems -- polyfluoroalkyl and perfluoroalkyl...
Gene signature in healthy brains pinpoints the origins of Alzheimer’s disease
In healthy tissues, a gene expression signature associated with amyloid-beta and tau aggregation echoes the progression of AD well before the onset of the...
Cassini Finds Flooded Canyons on Titan
NASA's Cassini spacecraft pinged the surface of Titan with microwaves, finding that some channels are deep, steep-sided canyons filled with liquid hydrocarbons. One such...
Galápagos faces first-ever bird extinction
This is an adult male Galápagos Vermilion Flycatcher on Isabela Island, Galápagos. This species of Vermilion Flycatcher is not extinct, unlike its close relative,...
Loophole for cancer cells found
Many cancers only become a mortal danger if they form metastases elsewhere in the body. Such secondary tumours are formed when individual cells break...
Study provides details of possible link between Zika, severe joint condition at birth
A study published by The BMJ provides more details of an association between Zika virus infection in the womb and a condition known as...
