Hemp cannabinoids may have evolved to deter insect pests

Cannabinoids, naturally occurring compounds found in hemp plants, may have evolved to deter pests from chewing on them, according to experiments that showed higher cannabinoid concentrations in hemp leaves led to proportionately ...

As urban heat rises, bird diversity declines: 336-city study

Humans aren't the only ones leaving town when city heat becomes unbearable. A study done on 336 cities in China concludes that heat-retaining buildings and paved surfaces are directly related to a loss in bird diversity. ...

Chemical signal protects migratory locusts from cannibalism

Huge swarms of migratory locusts take on the proportions of natural disasters and threaten the food supply of millions of people, especially in Africa and Asia. As the eighth of the ten biblical plagues, the Book of Moses ...

Controlling the speed of magnetic devices

In an international collaboration led by scientists from the Fritz Haber Institute in Berlin, a novel approach to controlling the speed of magnetic processes has been developed.

Fire and logging reduce homes for threatened mammals

Fire and logging are substantially reducing the number of hollow-bearing trees that threatened and critically endangered Australian mammals can use as homes, a new study from The Australian National University (ANU) warns.

Scientists record rapid carbon loss from warming peatlands

Scientists at the Department of Energy's Oak Ridge National Laboratory have demonstrated a direct relationship between climate warming and carbon loss in a peatland ecosystem. Their study published in AGU Advances provides ...

When divided loyalties make for better executives

It's well-known that servants with two masters are often conflicted. But they can also be uniquely knowledgeable, especially when one master wants to know what the other is up to, or the interests of the two coincide.

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