Water crisis grips US city after lead contamination

A growing water crisis gripped a US city Thursday after environmental officials discovered high lead levels in tap water, sparking worry and highlighting creaking infrastructure in a major urban centre.

Genomics of Isle Royale wolves reveal impacts of inbreeding

A new paper explores the genetic signatures of a pair of wolves isolated on Isle Royale, a remote national park in Lake Superior. The pair are father-daughter and share the same mother. Such close inbreeding leads to genetic ...

Diagnosing urban air pollution exposure with new precision

A new review of studies on levels of urban exposure to airborne pollutants and their effects on human health suggests that advanced instrumentation and information technology will soon allow researchers and policymakers to ...

Features that make lizards sexy are resilient to stress

Physical traits and behaviors that make a lizard sexy—features used to attract potential mates and fend off competitors—may be important enough that they do not change in the face of stress. A new study by researchers ...

Urban biodiversity to lower chronic disease

Replanting urban environments with native flora could be a cost effective way to improve public health because it will help 'rewild' the environmental and human microbiota, University of Adelaide researchers say.

Study finds natural selection favors cheaters

Mutualisms, which are interactions between members of different species that benefit both parties, are found everywhere—from exchanges between pollinators and the plants they pollinate, to symbiotic interactions between ...

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