Photon-counting distributed free-space spectroscopy

Remote sensing of atmospheric gas plays an important role in the fields of greenhouse gas monitoring, toxic, harmful, flammable, explosive gasses, and biochemical weapons early warning. With the advent of quantum mechanics ...

Research suggests protocol change for tear gas deployment

A new study by five doctoral students in neuroscience at the University of Minnesota Medical School calls attention to a lack of regulation and unknown long-term health effects of tear gas. Based on their research, the group ...

A bacterial toxin that acts as a mediator rather than a killer

Traditionally, bacterial toxins have been seen as killers of target cells. But is there more than meets the eye? Umeå University Professor Teresa Frisan and her team have discovered that toxin-host interactions are more ...

What evolution reveals about the function of bitter receptors

To evaluate the chemical composition of food from a physiological point of view, it is important to know the functions of the receptors that interact with food ingredients. These include receptors for bitter compounds, which ...

How plants produce defensive toxins without harming themselves

Plants produce toxic substances to defend themselves against herbivores. In a new study, scientists from the Max Planck Institute for Chemical Ecology in Jena and the University of Münster, Germany, were able to describe ...

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