Science

Climate change and prehistoric human populations: Eastward shift of settlement areas at the end of the last ice age

A new study sheds light on how prehistoric hunter-gatherer populations in Europe coped with climate changes over 12,000 years ago.…

1 year ago

Novel point-of-care technology delivers accurate HIV results in minutes

A team of Northwestern University scientists spanning disciplines have developed new technology that could lead to the creation of a…

1 year ago

Southern Ocean warming will mean a wetter West Coast, US

As global temperatures warm, the Southern Ocean -- between Antarctica and other continents -- will eventually release heat absorbed from…

1 year ago

Modelling the demography of agricultural transitions

Using a mathematical model, researchers have shed new light on the transition from hunter-gatherer to farming societies. Rather than focusing…

1 year ago

Rocky Mountain snow is contaminated, study shows

Mountain snowpacks accumulate snow throughout the winter, building up stores of water that will supply communities across the American West…

1 year ago

Metasurfaces: Bilayer device can control many forms of polarized light

Almost a decade ago, Harvard engineers unveiled the world's first visible-spectrum metasurfaces -- ultra-thin, flat devices patterned with nanoscale structures…

1 year ago

New warnings of a ‘Butterfly Effect’ — in reverse

A Yale-led study warns that global climate change may have a devastating effect on butterflies, turning their species-rich, mountain habitats…

1 year ago

My robot therapist: The ethics of AI mental health chatbots for kids

Mental health care can be difficult to access in the U.S. Insurance coverage is spotty and there aren't enough mental…

1 year ago

Drone experiment reveals how Greenland ice sheet is changing

For the first time, researchers have collected detailed measurements of water vapor high above the surface of the Greenland ice…

1 year ago

Researchers develop new DNA test for personalized treatment of bacterial vaginosis

Roughly one out of three women ages 14-49 in the United States develop a vaginal bacterial imbalance known as bacterial…

1 year ago