News tagged with north

Fossil study: Dogs evolved with climate change

Old dogs can teach humans new things about evolution. In Nature Communications a new study of North American dog fossils as old as 40 million years suggests that the evolutionary path of whole groups of predators can be a ...

dateAug 18, 2015 in Evolution
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Pesticides: More toxic than previously thought?

Insecticides that are sprayed in orchards and fields across North America may be more toxic to spiders than scientists previously believed. A McGill research team reached this conclusion after looking at changes in the behaviour ...

dateAug 06, 2015 in Ecology
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