Zoo air contains enough DNA to identify the animals inside

The air in a zoo is full of smells, from the fish used for feed to the manure from the grazing herbivores, but now we know it is also full of DNA from the animals living there. In the journal Current Biology on January 6th, ...

Robots use fear to fight invasive fish

The invasive mosquitofish (Gambusia holbrooki) chews off the tails of freshwater fishes and tadpoles, leaving the native animals to perish while dining on other fishes' and amphibians' eggs. In a study published December ...

Bluefin tuna reveal global ocean patterns of mercury pollution

Bluefin tuna, a long-lived migratory species that accumulates mercury as it ages, can be used as a global barometer of the heavy metal and the risk posed to ocean life and human health, according to a study by Rutgers and ...

How the amphibians got their vertebrae

A group of ancient amphibians called temnospondyls evolved stiffer spinal columns to adapt to aquatic life, contrary to previous hypotheses, according to a study published June 9, 2021 in the open-access journal PLOS ONE ...

Lake habitats are disappearing as the climate changes

Global warming is increasing the temperatures of lakes worldwide—are species finding the temperatures they need to survive? Researchers led by scientists at the Leibniz Institute of Freshwater Ecology and Inland Fisheries ...

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