Measurement of chlorophyll fluorescence is an effective way of determining how well plants can cope with low-water conditions. The technique allows a quantitative and precise determination of ...

Faced with a host of environmental threats, many of the world's plant species are believed to be at risk of extinction. But which species? To answer that question, scientists have developed a ...

Extinction rates have accelerated around the globe. Changes in climate and habitat loss, in particular, are driving more animals to lose their homes and access to the food they need, leading to ...