Self-righteousness, gratitude, sympathy, sincerity, and guilt – what if these social behaviours are biologically influenced, encoded within our genes and shaped by the forces of evolution to promote the survival of the ...
Plants & Animals
Jan 24, 2017
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Emily loves Justin - Stop global warming - Two more weeks till I graduate!: The exchange of information in public toilets is widespread. It also occurs in the world of white-footed sportive lemurs. Only instead of writing ...
Plants & Animals
Oct 16, 2014
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Young Malagasy black-and-white ruffed lemurs are more likely to survive when they are raised in communal crèches or "nursery nests" in which their mothers share the draining responsibility of feeding and caring for their ...
Ecology
Aug 6, 2013
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The intricate social hierarchy of the California condor, an endangered species, is something that could not be studied until recently due to the severe reduction of this population in the wild. The first formal study on this ...
Ecology
Jul 16, 2013
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The Black Widow spider gets its name from the popular belief that female spiders eat their male suitors after mating. However, a new study has shown that the tendency to consume a potential mate is also true of some types ...
Plants & Animals
May 6, 2013
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For territorial animals, such as beavers, "owning" a territory ensures access to food, mates and nest sites. Defending that territory can involve fights which cause injury or death. How does an animal decide whether to take ...
Plants & Animals
Apr 9, 2013
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Some species of birds reproduce not by rearing their own young, but by handing that task on to adults of other species. Known as brood parasitism, this habit has been most thoroughly researched in the cuckoo. Previous research ...
Ecology
Apr 8, 2013
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Male sparrows are capable of fighting to the death. But a new study shows that they often wave their wings wildly first in an attempt to avoid a dangerous brawl.
Plants & Animals
Jan 29, 2013
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All a question of timing: When bushcrickets mate, the male attaches a sticky package, the so-called spermatophore, to the female's abdomen. Alongside the sperm themselves, this 'bridal present' consists of a protein-rich ...
Plants & Animals
Dec 14, 2012
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Do birds change their tune in response to urban noise? It depends on the bird species, according to Dr. Alejandro Ariel Ríos-Chelén from the Universidad Nacional Autónoma de México and colleagues. Their work shows that ...
Plants & Animals
Nov 20, 2012
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