Warning signs in a poisonous Papuan songbird

Bright colors and conspicuous markings are often used in nature to warn off would-be predators. While we are used to seeing such markings—termed aposematic signals—in plants, caterpillars and snakes, we do not usually ...

Choosing trees with a liking for heavy metal

Which species of trees should we be planting in the urban environment to best soak up pollutants containing toxic heavy metals? Stefanos Tsiaras of Aristotle University of Thessaloniki and Theano Samara of the Forest Research ...

Poisonous grasses: new study provides reassurance

"Dangerous Pastures: Deadly Grass Puts Horses at Risk"—Such dire warnings on the websites of horse owners and horse lovers may cause people to see their environment in a whole new light. Because what they once considered ...

Baker's yeast can help plants cope with soil contamination

Few plant species can tolerate the toxic effects of soil pollutants. In a study published in Scientific Reports, a research team led by Paula Duque from the Instituto Gulbenkian de Ciencia (IGC; Portugal) reports that two ...

Metal exposure – a factor in bat population decline

Scientists at the University of York have led the first full-scale national assessment of metal contamination in bats, showing that many bats in the UK contain levels of metals high enough to cause toxic effects.

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