When prejudices become a disadvantage

(PhysOrg.com) -- Swiss researchers from ETH Zurich have been exploring the question of whether prejudices might be rational under certain conditions. Using game theory, they created various scenarios and played them fifteen ...

More emphasis needed on recycling and reuse of Li-ion batteries

The discovery of potential environmental and human health effects from disposal of millions of rechargeable lithium-ion batteries each year has led scientists to recommend stronger government policies to encourage recovery, ...

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.

Why closely related species do not eat the same things

Closely related species consume the same resources less often than more remotely related species. In fact, it is the competition for resources, and not their kinship, which determines the food sources of the species of a ...

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