By studying the wood-cutting behaviour of ancient beavers that once roamed the Canadian high Arctic, an international team of scientists has discovered that tree predation—feeding on trees and harvesting wood—evolved in these ...
Archaeology
Aug 5, 2020
1
212
Two contrasting perspectives have emerged in response to recent calls to "defund" police. One perspective—espoused by some activists on the political left—holds that policing is fatally broken, cannot be fixed through any ...
Social Sciences
Aug 5, 2020
0
48
Half of all the calcium in the universe—including the very calcium in our teeth and bones—was created in the last gasp of dying stars.
Astronomy
Aug 5, 2020
1
524
Using the Parkes telescope, an international team of astronomers has performed a monitoring campaign of a gamma-ray millisecond pulsar (MSP) known as PSR J2039−5617. The observations detected radio pulsations from this source, ...
The COVID-19 pandemic is having a striking, paradoxical impact on low-income and minority college students. At least 30% of Black, Latino and Asian American students say the pandemic has increased their perceived value of ...
Education
Aug 5, 2020
0
79
Giving a unique insight into the lives of people trapped in the cycle of homelessness, a study including three years of interviews with people details how their lives have dramatically benefitted from three-years of housing ...
Social Sciences
Aug 5, 2020
0
40
On Sept. 23, 2019, then-16-year-old climate activist Greta Thunberg stood before a sea of news cameras at the United Nations Climate Action Summit in New York City and told world leaders: "People are suffering. People are ...
Environment
Aug 5, 2020
0
61
When a hurricane approaches, providing a few extra hours' notice can be the difference between life and death. Now, Penn State researchers report that applying a machine learning technique to a group of possible storm paths ...
Earth Sciences
Aug 5, 2020
0
67
The COVID-19 pandemic has caused an unprecedented shift in commuting and mobility patterns worldwide, something that has led to a false perception that the pandemic may be a boon to greenhouse gas reduction. A new analysis ...
Environment
Aug 5, 2020
0
53
Silicon is widely used in the microelectronics industry although its photonics applications are restricted to the visible and partial near-infrared spectral range due to its fundamental optical bandgap. Researchers have therefore ...
