Hunger may inhibit defensive behavior

Most animals don't spend nearly as much time and energy defending nesting or mating sites against intruders outside the breeding season. That's a given.

Invisible fungi crucial for rainforest diversity

A complex network of fungi in the lower canopy could be one reason tropical rainforests are home to so many different types of insects, spiders and centipedes, say scientists.

New creatures from the deep identified

(PhysOrg.com) -- Strange deep sea creatures discovered by Aberdeen researchers have been confirmed as three new species previously unknown to science.

Growing without cell division

An international team of scientists, including biologists from the University of North Carolina at Chapel Hill, may have pinpointed for the first time the mechanism responsible for cell polyploidy, a state in which cells ...

Ancient harvestmen revealed in 3-D models

Two ancient types of harvestmen, or 'daddy long legs,' which skittered around forests more than 300 million years ago, are revealed in new three-dimensional virtual fossil models published today in the journal Nature Communications.

Non-independent mutations present new path to evolutionary success

Mutations of DNA that lead to one base being replaced by another don't have to happen as single, independent events in humans and other eukaryotes, a group of Indiana University Bloomington biologists has learned after surveying ...

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