Competing crabs don't fight over 'homes'

Two hermit crab species which live on the same beach have adapted to coexist by selecting differently shaped shells as their homes, according to a study in the open access journal BMC Ecology.

What happens to plant growth when you remove gravity?

It is well known that plant growth patterns are influenced by a variety of stimuli, gravity being one amongst many. On Earth plant roots exhibit characteristic behaviours called 'waving' and 'skewing', which were thought ...

Raven food calls disclose their age and sex

Common ravens (Corvus corax) use food associated 'haa' calls to recruit other individuals of the same species (conspecifics) to food foraging sites which may be dangerous because of predators or territorial breeding pairs. ...

Milking the pigeon: extracting the mechanisms involved

Pigeons, flamingos and male emperor penguins are all able to produce "milk" in their crop to feed their chicks. Research published in BioMed Central's open access journal BMC Genomics uses new technology to study the genes ...

Discerning males remain faithful

Discerning males remain faithful ... if you are a spider. Sex for male orb web spiders (Argiope bruennichi) is a two shot affair since the act of mating destroys their genitalia. If they survive being eaten during their first ...

How to make stem cells: nuclear reprogramming moves a step forward

The idea of taking a mature cell and removing its identity (nuclear reprogramming) so that it can then become any kind of cell, holds great promise for repairing damaged tissue or replacing bone marrow after chemotherapy. ...

Predators might not be dazzled by stripes

Stripes might not offer protection for animals living in groups, such as zebra, as previously thought, according to research published in Frontiers in Zoology. Humans playing a computer game captured striped targets more ...

Big crab claws for bling or bang?

Male fiddler crabs tread an evolutionary fine line between growing an enlarged claw better for signalling to females or one better for fighting finds research in BioMed Central's open access journal BMC Evolutionary Biology. ...

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